The Senco BC58 pneumatic cap stapler drives 5/8-Inch leg 21 gauge 1/2-Inch crown staples in tandem with plastic caps. Includes one year manufacturers warranty. Comes complete with rugged carrying case, air fitting, tool oil, and hex wrenches. The Senco BC58 features an extremely lightweight and well balanced design, easy load system, belt hook, and aluminum housing. This cap stapler is great for house wrap, roofing felt, and foam board.