SRD Half Sheave Full Body Harness the book is designed to

the book is designed to help camp professionals in three very specific ways:

plus it looks great

This is Petzl's successor for the Gemini prusik minding pulley

000 copies

and rare pieces of the authors’ philosophy that they feel are necessary to turn a typical challenge and adventure program into an outstanding challenge and adventure program

SRD Half Sheave Full Body Harness the book is designed toThis revolutionary half sheave design creates a lighter block that attaches parallel to a cable, using less hardware. Stainless steel sideplates, 3" aluminum sheave, axle. Extra thick sideplates and multiple stainless rivets for maximum strength and protection.