Tacwise 1221 A54 Hammer Tacker Plus 5000 140-Series Stainless Steel Staples, 3/8-Inch (1221) A54 Hammer Tacker with magazine capacity of 150 140-type 1/4-inch to 1/2-inch staples Rapid, lightweight, built for all-day use Perfect for securing flooring underlay, plastic sheeting and breather membrane Buffer plate surrounds the nose to protect surfaces Includes 5000 140-type 3/8-inch stainless steel staples