The Pneu Tools Rap-A-Cap 58 air powered cap stapler, item# RC-58, drives 5/8" leg 20 gauge 1/2" crown staples in tandem with plastic caps 1-1/32" in diameter. Includes one year manufacturers warranty. Comes complete with rugged plastic carrying case.This cap stapler features an extremely lightweight and well balanced design, belt hook, and flip feed valve system to minimze load time while maximizing production. An ergonomic and compact design makes the Rap-A-Cap 58 user friendly for high volume use. Excellent unit for housewrap and roofing felt.