NOTCH THROW LINE SELECT DIAMETER:2.2X180 A keystone thumb is a

A keystone thumb is a glove construction technique where the thumb is cut from a separate piece of leather and sewn in at an angle that mirrors the natural position of the hand

Bartlett sleeves are not compatible with other manufacturer's fittings

This is especially useful in complex rigging setups where a standard inward-swinging gate would be obstructed or difficult to operate

Application: tree climbing

NOTCH THROW LINE SELECT DIAMETER:2.2X180 A keystone thumb is aNotch Acculine is a high strength, durable throwline made with Dyneema fiber. This high tech fiber isn't just strong its also low stretch and lightweight. The urethane coating adds a high degree of abrasion resistance, and the high visibility color means you'll never lose track of your throw line. Lifetime warranty on materials and craftsmanship. Tensile: 560 lbs