DMM Ultra O Locksafe Carabiner in black, featuring a secure triple-action locking gate, ideal for tree surgeons.
DMM Ultra O Locksafe carabiners in multiple colors, ideal for climbers and tree surgeons seeking secure connections.
DMM Ultra O Locksafe Carabiner in green, lightweight design for tree surgeons and climbers, featuring a triple-action locking gate.
Ultra O Locksafe Carabiner, lightweight design for climbers and tree surgeons, featuring a triple-action locking gate.
DMM Ultra O Locksafe Carabiner in orange, ideal for climbers and tree surgeons, featuring a secure triple-action locking gate.
DMM Ultra O Locksafe Carabiner in red, designed for tree surgeons and climbers with a secure triple-action locking mechanism.
    DMM Ultra O Locksafe Carabiner in black, featuring a secure triple-action locking gate, ideal for tree surgeons.
    DMM Ultra O Locksafe carabiners in multiple colors, ideal for climbers and tree surgeons seeking secure connections.
    DMM Ultra O Locksafe Carabiner in green, lightweight design for tree surgeons and climbers, featuring a triple-action locking gate.
    Ultra O Locksafe Carabiner, lightweight design for climbers and tree surgeons, featuring a triple-action locking gate.
    DMM Ultra O Locksafe Carabiner in orange, ideal for climbers and tree surgeons, featuring a secure triple-action locking gate.
    DMM Ultra O Locksafe Carabiner in red, designed for tree surgeons and climbers with a secure triple-action locking mechanism.
DMM Ultra O Locksafe Carabiner in black, featuring a secure triple-action locking gate, ideal for tree surgeons.
DMM Ultra O Locksafe carabiners in multiple colors, ideal for climbers and tree surgeons seeking secure connections.
DMM Ultra O Locksafe Carabiner in green, lightweight design for tree surgeons and climbers, featuring a triple-action locking gate.
Ultra O Locksafe Carabiner, lightweight design for climbers and tree surgeons, featuring a triple-action locking gate.
DMM Ultra O Locksafe Carabiner in orange, ideal for climbers and tree surgeons, featuring a secure triple-action locking gate.
DMM Ultra O Locksafe Carabiner in red, designed for tree surgeons and climbers with a secure triple-action locking mechanism.

Ultra O Locksafe Carabiner

SKU: DMM | DD-A327MG

Regular price
£15.74 Ex VAT
£15.74 £15.74 Ex VAT
Shipping calculated at checkout.
Colour
Regular price
£15.74 Ex VAT
£18.89 Inc VAT
RRP: £17.49 Ex VAT
Sale price
£15.74 £15.74 Ex VAT
Regular price
£18.89 £18.89 Inc VAT
Was £17.49 Ex VAT

Last one

or 4 interest-free
payments of £4.72 with

Free Standard UK Delivery Over £75 +VAT

Easy Returns

Product information & specifications

The DMM Ultra O Locksafe Carabiner is a versatile choice for climbers, riggers, and anyone needing a secure and dependable connection. This oval-shaped carabiner boasts a triple-action locking gate that minimizes the risk of accidental opening, ensuring your gear stays put during critical moments.

Key Features of the DMM Ultra O Locksafe Carabiner:

  • Lightweight Design: Crafted from high-strength aluminium, the Ultra O Locksafe weighs in at just 74 grams, making it ideal for weight-conscious climbers and professionals.

  • Exceptional Strength: Despite its featherweight build, this carabiner offers an impressive maximum breaking strength (MBS) of 25kN on the major axis. This translates to a safe working load of 5kN, making it suitable for various climbing and rigging applications.

  • Optimal Functionality: The oval shape allows for smooth rope travel and efficient pulley use. The I-beam construction further optimizes strength-to-weight ratio without compromising durability.

  • Secure Locking Mechanism: The triple-action locking gate features a screwgate closure that requires three deliberate actions to open, providing the highest level of security against accidental snags or gate pops.

  • Available in Multiple Colours: The DMM Ultra O Locksafe Carabiner comes in a range of colours (including green, orange, and grey) to enhance visibility and facilitate easy identification within a gear collection.

Who Should Use the DMM Ultra O Locksafe Carabiner?

This carabiner is a great option for:

  • Rock Climbers: Use it for rappelling, building anchors, and connecting gear thanks to its secure locking mechanism and lightweight design.

  • Riggers: The high strength and secure locking gate make it suitable for various rigging applications where safety is paramount.

  • Cavers and Explorers: Its dependable locking mechanism offers peace of mind in challenging environments.

Overall, the DMM Ultra O Locksafe Carabiner is a reliable and versatile choice for climbers, riggers, and anyone requiring a secure and lightweight connection.

Karabiners

Standard EN362:2004 B EN12275:2013 X/B UIAA121:2009
Weight 74g
Width 63mm
Length 109mm
Gate Opening 19mm
MBS Open 7kN
MBS Minor 12kN
MBS Major 25kN

The DMM Ultra O Locksafe Carabiner is a versatile choice for climbers, riggers, and anyone needing a secure and dependable connection. This oval-shaped carabiner boasts a triple-action locking gate that minimizes the risk of accidental opening, ensuring your gear stays put during critical moments.

Key Features of the DMM Ultra O Locksafe Carabiner:

  • Lightweight Design: Crafted from high-strength aluminium, the Ultra O Locksafe weighs in at just 74 grams, making it ideal for weight-conscious climbers and professionals.

  • Exceptional Strength: Despite its featherweight build, this carabiner offers an impressive maximum breaking strength (MBS) of 25kN on the major axis. This translates to a safe working load of 5kN, making it suitable for various climbing and rigging applications.

  • Optimal Functionality: The oval shape allows for smooth rope travel and efficient pulley use. The I-beam construction further optimizes strength-to-weight ratio without compromising durability.

  • Secure Locking Mechanism: The triple-action locking gate features a screwgate closure that requires three deliberate actions to open, providing the highest level of security against accidental snags or gate pops.

  • Available in Multiple Colours: The DMM Ultra O Locksafe Carabiner comes in a range of colours (including green, orange, and grey) to enhance visibility and facilitate easy identification within a gear collection.

Who Should Use the DMM Ultra O Locksafe Carabiner?

This carabiner is a great option for:

  • Rock Climbers: Use it for rappelling, building anchors, and connecting gear thanks to its secure locking mechanism and lightweight design.

  • Riggers: The high strength and secure locking gate make it suitable for various rigging applications where safety is paramount.

  • Cavers and Explorers: Its dependable locking mechanism offers peace of mind in challenging environments.

Overall, the DMM Ultra O Locksafe Carabiner is a reliable and versatile choice for climbers, riggers, and anyone requiring a secure and lightweight connection.

Karabiners

Standard EN362:2004 B EN12275:2013 X/B UIAA121:2009
Weight 74g
Width 63mm
Length 109mm
Gate Opening 19mm
MBS Open 7kN
MBS Minor 12kN
MBS Major 25kN

Delivery & Returns

Christmas Returns (Extended)

To give you extra peace of mind over Christmas:

  • Orders placed between 10 October and 24 December 2025 can be returned up to 26 January 2026 (excluding Sale items)

  • Orders placed from 25 December 2025 onwards are covered by our standard 30-day return policy

UK Delivery

Fast, reliable delivery from our UK warehouse.

  • FREE UK Delivery on orders over £50 + VAT
    Estimated delivery: 2–4 working days

  • UK Standard Delivery from £3.60 + VAT
    Estimated delivery: 2–4 working days


  • Next Working Day Delivery£5.00 + VAT

    Order before 3:00pm (Monday–Friday) for next working day delivery

All UK orders are dispatched Monday–Friday and sent via a tracked courier service.

International Delivery

We ship worldwide from the UK.

  • Europe from £10.00

    Estimated delivery: 2–7 working days
  • Rest of the World from £12.00

    Estimated delivery: 2–11 working days

Shipping costs and delivery times are calculated at checkout based on destination and order contents.

Customs, Duties & Taxes

International orders may be subject to local import duties, taxes, or customs charges.

When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.

Customs processing times may affect delivery estimates.


Returns

30-Day Return Policy

  • Items can be returned within 30 days of delivery
  • Products must be unused and in original condition
  • Return postage costs apply unless the item is faulty or incorrect


For full details, please visit our Shipping & Returns page.

Christmas Returns (Extended)

To give you extra peace of mind over Christmas:

  • Orders placed between 10 October and 24 December 2025 can be returned up to 26 January 2026 (excluding Sale items)

  • Orders placed from 25 December 2025 onwards are covered by our standard 30-day return policy

UK Delivery

Fast, reliable delivery from our UK warehouse.

  • FREE UK Delivery on orders over £50 + VAT
    Estimated delivery: 2–4 working days

  • UK Standard Delivery from £3.60 + VAT
    Estimated delivery: 2–4 working days


  • Next Working Day Delivery£5.00 + VAT

    Order before 3:00pm (Monday–Friday) for next working day delivery

All UK orders are dispatched Monday–Friday and sent via a tracked courier service.

International Delivery

We ship worldwide from the UK.

  • Europe from £10.00

    Estimated delivery: 2–7 working days
  • Rest of the World from £12.00

    Estimated delivery: 2–11 working days

Shipping costs and delivery times are calculated at checkout based on destination and order contents.

Customs, Duties & Taxes

International orders may be subject to local import duties, taxes, or customs charges.

When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.

Customs processing times may affect delivery estimates.


Returns

30-Day Return Policy

  • Items can be returned within 30 days of delivery
  • Products must be unused and in original condition
  • Return postage costs apply unless the item is faulty or incorrect


For full details, please visit our Shipping & Returns page.

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