The RIFLESPEED Bench Block makes the task of installing or removing a gas-tube pin or barrel cross-pin simple and fast. Dual-sided design works with RIFLESPEED Gas Controls in .625", .750", and .875" sizes or standard low-profile gas blocks. Features a handy pin recess to hold your spring pin while you prepare for installation. The RIFLESPEED Bench Block is a rugged injection-molded fixture that will provide years of service and is a must for any serious enthusiast, armorer or gunsmith. Made in the USA.