Tree Climber's Knot Book by Dirk Lingens Brand_Climbing Technology Tree gaffs are longer (2-3/4")

Tree gaffs are longer (2-3/4") and offset for maximum penetration into tree bark

the Distel

Petzl redesigned the cam geometry on the Ascentree to distribute load more evenly across the rope

22" top straps and steel split ring bottom straps for secure attachment

while the 25" version fits the HS-137-22 and HS-137-24

Tree Climber's Knot Book by Dirk Lingens Brand_Climbing Technology Tree gaffs are longer (2-3/4")The Essential Knot Reference for Professional Arborists Written by well known German arborist and self confessed knot junkie Dirk Lingens, the Tree Climber's Knot Book is a must have reference for any arborist who wants to expand their knot knowledge. It features knots specifically selected for arborist applications including modern hitches like the Klemheist, the Distel, and the Machard with clear illustrations and practical evaluations comparing