Black 12.2mm Cousin Trestec Black Widow climbing rope. Durable, high-strength rope for climbing and rigging
Tree surgeon climbing high in trees with Cousin Tresttec climbing rope for arboriculture.
    Black 12.2mm Cousin Trestec Black Widow climbing rope. Durable, high-strength rope for climbing and rigging
    Tree surgeon climbing high in trees with Cousin Tresttec climbing rope for arboriculture.
Black 12.2mm Cousin Trestec Black Widow climbing rope. Durable, high-strength rope for climbing and rigging

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Tree surgeon climbing high in trees with Cousin Tresttec climbing rope for arboriculture.

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Black Widow Climbing Rope 12.2mm

SKU: Cousin Trestec | CI-CT177735P001

Regular price
£112.39 Ex VAT
£112.39 £112.39 Ex VAT
Shipping calculated at checkout.
Length
Regular price
£112.39 Ex VAT
£134.87 Inc VAT
RRP: £124.88 Ex VAT
Sale price
£112.39 £112.39 Ex VAT
Regular price
£134.87 £134.87 Inc VAT

or 4 interest-free
payments of £33.72 with

Free Standard UK Delivery Over £75 +VAT

Easy Returns

Product information & specifications

Cousin Trestec Black Widow 12.2 mm Climbing Rope (1 Eye Splice)

Built for arboriculture, designed for durability. The Cousin Trestec Black Widow 12.2 mm is a semi-static rope engineered for tree work, offering excellent dimensional stability, high abrasion resistance, and minimal stretch. CE EN 1891 Type A certified, this rope is ideal for climbing systems that demand consistent performance even in wet conditions. 

Key Features

  • Stable diameter: Does not swell when wet; maintains handling. 
  • No sheath slippage: Sheath and core remain aligned over time. 
  • Patented splice: The one-eye splice is optimised for use with mechanical 
  • Long service life: Excellent stability, low shrinkage, durable polyester construction. 

Technical Specifications

Specification Detail
Rope Diameter 12.2 mm (under 10 kg load) 
Mass per Meter 105 g/m 
Material 100% Polyester, double braid 
Core / Sheath Ratio 41% / 59% approx.
Number of Falls (EN tested) ≥ 5
Impact Force 5.9 kN (approx.)
Static Elongation 2.4% (50–150 kg) 
Minimum Breaking Strength ≥ 29 kN 
Breaking Strength (Spliced Eye) ≥ 16 kN
Certification CE, EN 1891 Type A 
Shrinkage in Water 0.2% approx.
Knotability 0.70

Available Lengths

This rope is offered in the following options (each with one eye splice):

  • 35 m with one eye splice
  • 45 m with one eye splice 

Why Choose the Black Widow 12.2 mm?

When you need a high-performing, stable, semi-static rope for arborist climbing, the Black Widow 12.2 mm delivers. It keeps its diameter in wet environments, resists sheath slippage, and retains strength even when spliced. The patented splice helps compatibility with modern mechanical descenders, making it a reliable choice for pro climbers.

 

Cousin Trestec Technical Data

Material Polyester
Sheath number of plaits 16
Core number of plaits 12
Shrinkage in water % 0.2
Knotability 0.7
Percentage of sheath % 58.8
Percentage of core % 41.2
Breaking strength on 8 knot kN >1.5
Breaking strength kN 3.01
Static elongation from 50 to 150 kg % 2.4
Impact force kN 0.59
Number of falls >5
Mass per meter under 10 Kg g/m 105
Mass per meter without load g/m 107.7
Diameter under 10 kg 12.2

Cousin Trestec Black Widow 12.2 mm Climbing Rope (1 Eye Splice)

Built for arboriculture, designed for durability. The Cousin Trestec Black Widow 12.2 mm is a semi-static rope engineered for tree work, offering excellent dimensional stability, high abrasion resistance, and minimal stretch. CE EN 1891 Type A certified, this rope is ideal for climbing systems that demand consistent performance even in wet conditions. 

Key Features

  • Stable diameter: Does not swell when wet; maintains handling. 
  • No sheath slippage: Sheath and core remain aligned over time. 
  • Patented splice: The one-eye splice is optimised for use with mechanical 
  • Long service life: Excellent stability, low shrinkage, durable polyester construction. 

Technical Specifications

Specification Detail
Rope Diameter 12.2 mm (under 10 kg load) 
Mass per Meter 105 g/m 
Material 100% Polyester, double braid 
Core / Sheath Ratio 41% / 59% approx.
Number of Falls (EN tested) ≥ 5
Impact Force 5.9 kN (approx.)
Static Elongation 2.4% (50–150 kg) 
Minimum Breaking Strength ≥ 29 kN 
Breaking Strength (Spliced Eye) ≥ 16 kN
Certification CE, EN 1891 Type A 
Shrinkage in Water 0.2% approx.
Knotability 0.70

Available Lengths

This rope is offered in the following options (each with one eye splice):

  • 35 m with one eye splice
  • 45 m with one eye splice 

Why Choose the Black Widow 12.2 mm?

When you need a high-performing, stable, semi-static rope for arborist climbing, the Black Widow 12.2 mm delivers. It keeps its diameter in wet environments, resists sheath slippage, and retains strength even when spliced. The patented splice helps compatibility with modern mechanical descenders, making it a reliable choice for pro climbers.

 

Cousin Trestec Technical Data

Material Polyester
Sheath number of plaits 16
Core number of plaits 12
Shrinkage in water % 0.2
Knotability 0.7
Percentage of sheath % 58.8
Percentage of core % 41.2
Breaking strength on 8 knot kN >1.5
Breaking strength kN 3.01
Static elongation from 50 to 150 kg % 2.4
Impact force kN 0.59
Number of falls >5
Mass per meter under 10 Kg g/m 105
Mass per meter without load g/m 107.7
Diameter under 10 kg 12.2

Delivery & Returns

Christmas Returns - We’ve extended our usual limit for returns. Any purchases made online or in store (except Sale items) between 10 October and 24 December 2025 can be returned as late as 26 January 2026. For purchases made from 25 December 2025 onwards, our normal refund policy will apply.

UK Standard Delivery from - £3.60+VAT
Estimated delivery 2-4 days


Free Delivery available for orders above £50+ VAT
Estimated delivery 2-4 days


Next Day Delivery - £5.00+VAT
Estimated delivery 1 day when ordered before 3PM Monday - Friday

International Delivery Europe from - £10.00
Estimated delivery 2-7 days


International Delivery Rest of the World from - £12.00
Estimated delivery 2-11 days


Returns
30-Day Return Policy
For more information on shipping options, visit our shipping page here.

Christmas Returns - We’ve extended our usual limit for returns. Any purchases made online or in store (except Sale items) between 10 October and 24 December 2025 can be returned as late as 26 January 2026. For purchases made from 25 December 2025 onwards, our normal refund policy will apply.

UK Standard Delivery from - £3.60+VAT
Estimated delivery 2-4 days


Free Delivery available for orders above £50+ VAT
Estimated delivery 2-4 days


Next Day Delivery - £5.00+VAT
Estimated delivery 1 day when ordered before 3PM Monday - Friday

International Delivery Europe from - £10.00
Estimated delivery 2-7 days


International Delivery Rest of the World from - £12.00
Estimated delivery 2-11 days


Returns
30-Day Return Policy
For more information on shipping options, visit our shipping page here.

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