Including 4 pieces of leather inserts, specially treated to increase the static friction coefficient to? = 0.9 as well as protecting the barrel from scratched up. Chamfered groove design to reduce the surface contact stress to the barrel, protecting the barrel from dents. Heavy duty components designed to last; ¾ thick aircraft grade high strength aluminum bodies, high strength grade 8 studs, heavy duty flange nuts, super tough raw cowhides.
Designed for barrel Outside Diameter from 0.67" to 1.375". Field proven design by veterans and industrial experts. Get the job done without leaving any marks, dents and scratches.