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Gecko Climb Line by Marlow

Gecko 16-strand Climb Line Gecko 16-strand 600’ Reel
Marlow Gecko Rope image

Gecko 16-strand by Marlow

Buy Gecko Rope

13mm x 120’
13mm x 150’
13mm x 200’
13mm x 600' Reel
By the Foot

**Reels of rope are charged a flat shipping fee in the continental US. Spools of rope up to 9/16" ship for $25 in areas covered by our free shipping offer. Spools of rope 5/8” and larger ship for $50 in these areas. Regular shipping rates apply in other areas.

Buy Gecko Rope Spliced

Gecko Rope with Viking-Spliced Tight-Eye

13mm x 120'
13mm x 150'
13mm x 200'

Gecko Rope with Viking-Spliced 5" Eye

13mm x 120'
13mm x 150'
13mm x 200'

Additional Splice Options

Add custom-sized eyes, additional eyes, or eyes in bulk rope

Sewn Tight Eye
Sewn 5” Eye
Sewn Eye - Custom Size

Leave instructions for which splices go with which ropes in the 'comments' field during checkout, along with the sizes for any custom size eyes, and any instructions for thimbles, rope snaps, or other hardware to add to the splice. (Hardware must also be present in your cart to add it to the splice.)

13mm (1/2”) • 16-strand • 6,659 lb ABS • 3.3% elongation at 150 kg • 8.4 lb per 100' • sewn eyes only.

Marlow builds excellent arbor ropes, including Gecko 16-strand climb line. This rope is built for tree work, with a tough 16-strand polyester cover over a braided polyester core. Gecko is very suppled, durable, and strong, and will work well in arborist hardware designed for 1/2” ropes. Gecko is CE certified and meets the ANSI standards for climbing lines.


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Additional Features

  • High strength
  • Good hand
  • Great visibility
Manufacturer : Marlow
Made in : UK
Diameter : 1/2” / 13mm
Average Strength : 6,659 lb / 3,020 kg
Construction : 16-strand
Material : Polyester
Wt. per 100’/100m : 8.4 lb / 12.53 kg
Elastic Elongation : 3.3% at 150 kg
Hand Spliceable : No
Sewn Spliceable : Yes


  • CE Certified

ANSI Z133-2017

The American National Standards Institute (ANSI) has released the ANSI Z133 safety requirements which apply to arboriculutral operations.

Arborist Climbing Ropes are required to have a minimum breaking strength of 5,400 lb (24 kN) when new, and should be no smaller than 1/2” (12.7mm) unless the employee has been trained in the use of smaller line (down to 7/16” / 11mm), and the line's working elongation should not exceed 7% at 540 lb load.

This rope meets ANSI Z133-2017 standards.

The full ANSI Z133 safety requirements are available on our tree care standards page.

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