High Power Rocketry Recovery Harness / Shock Cord with 3 sewn Loops. These are made from 3/16" Tubular Kevlar. These recovery harnesses are well suited to light paper tube air frame mid power rockets up to 2.6" high power rockets. To form the 3rd loop a stainless ball bearing swivel is added to the main line. This swivel is easily movable or removable.. This webbing is, as you know Fire Resistant.These recovery harnesses are very strong, resilient, and abrasion resistant The Thread used to sew the loops is a very heavy weight Kevlar thread and is extremely strong.And is also, I’m sure you know, Fire Resistant.These Recovery Harnesses are 20 feet long.This is a thin, light weight Tubular Kevlar material and will pack very small.