ISC Chipmunk Flex Tether with carabiner, designed for arborists and rope-access technicians.
ISC Chipmunk Flex Tether, a compact and efficient tether solution for arborists and rope-access technicians.
    ISC Chipmunk Flex Tether with carabiner, designed for arborists and rope-access technicians.
    ISC Chipmunk Flex Tether, a compact and efficient tether solution for arborists and rope-access technicians.
ISC Chipmunk Flex Tether with carabiner, designed for arborists and rope-access technicians.
ISC Chipmunk Flex Tether, a compact and efficient tether solution for arborists and rope-access technicians.

Chipmunk Flex Tether

SKU: ISC | IS-RT305A2-HT

Regular price
£44.16 Ex VAT
£44.16 £44.16 Ex VAT
Shipping calculated at checkout.
Regular price
£44.16 Ex VAT
£52.99 Inc VAT
RRP: £51.95 Ex VAT
Sale price
£44.16 £44.16 Ex VAT
Regular price
£52.99 £52.99 Inc VAT
Was £51.95 Ex VAT

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Product information & specifications

ISC Chipmunk Flex Tether

Designed for UK arborists, rope-access technicians and SRT climbers seeking a compact, high-performance tether solution. The Chipmunk Flex measures just 9″ (≈225 mm) in length, making it significantly shorter than many traditional tether systems — this helps reduce system height and improves reach and efficiency when ascending in tree-work or access setups. 

Key Features & Benefits

  • Short 9″ (225 mm) length:
  • High breaking strength:
  • Rigid yet flexible design:
  • Sewn eyes and central connection point:
  • Lightweight:
  • UKCA / CE / ANSI compliant options:

Technical Specifications

Specification Detail
Model / Part Code RT305A1 / RT305A2 (Chipmunk Flex Tether) 
Tether Length 225 mm (9″) 
Minimum Breaking Strength (MBS) 24 kN (≈5,395 lbf)
Weight (including accessory karabiner) ≈105 g (≈3 oz) 
Certifications / Standards CE / UKCA & ANSI Z133 version available 
Intended Use SRT climbing tether for rope-access/arborist systems; not standalone fall arrest rope. 

Why Choose the Chipmunk Flex?

If your work in the UK involves tree-care, canopy access or single-rope tunnelling, and you want a tether that reduces system bulk, improves reach and still delivers professional grade strength and durability — the Chipmunk Flex is an excellent choice. With its shortened length and rigid yet flexible design, it supports efficiency without compromising safety. Make it part of your SRT kit today.

 

Technical Information

(MBS) Minimum Breaking Strength (kN)24
(MBS) Minimum Breaking Strength (lbf)5395
ANSI compliant versionAs standard
Serial numberingAs standard
Weight (grams)105g including Accessory Karabiner
Weight (ounces)3oz including Accessory Karabiner
Height (mm)225
Height (inches)9

ISC Chipmunk Flex Tether

Designed for UK arborists, rope-access technicians and SRT climbers seeking a compact, high-performance tether solution. The Chipmunk Flex measures just 9″ (≈225 mm) in length, making it significantly shorter than many traditional tether systems — this helps reduce system height and improves reach and efficiency when ascending in tree-work or access setups. 

Key Features & Benefits

  • Short 9″ (225 mm) length:
  • High breaking strength:
  • Rigid yet flexible design:
  • Sewn eyes and central connection point:
  • Lightweight:
  • UKCA / CE / ANSI compliant options:

Technical Specifications

Specification Detail
Model / Part Code RT305A1 / RT305A2 (Chipmunk Flex Tether) 
Tether Length 225 mm (9″) 
Minimum Breaking Strength (MBS) 24 kN (≈5,395 lbf)
Weight (including accessory karabiner) ≈105 g (≈3 oz) 
Certifications / Standards CE / UKCA & ANSI Z133 version available 
Intended Use SRT climbing tether for rope-access/arborist systems; not standalone fall arrest rope. 

Why Choose the Chipmunk Flex?

If your work in the UK involves tree-care, canopy access or single-rope tunnelling, and you want a tether that reduces system bulk, improves reach and still delivers professional grade strength and durability — the Chipmunk Flex is an excellent choice. With its shortened length and rigid yet flexible design, it supports efficiency without compromising safety. Make it part of your SRT kit today.

 

Technical Information

(MBS) Minimum Breaking Strength (kN)24
(MBS) Minimum Breaking Strength (lbf)5395
ANSI compliant versionAs standard
Serial numberingAs standard
Weight (grams)105g including Accessory Karabiner
Weight (ounces)3oz including Accessory Karabiner
Height (mm)225
Height (inches)9

Delivery & Returns

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.

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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