Hammer Tacker, Ideal For Attaching House Wrap Material, Insulation & Other Light Duty Jobs, Stamped Steel Balanced Housing, Loads 2 Full Strips Of T50 Staples For Prolonged Use Without Reloading, Ergonomic Grip To Help Minimize Stress On The Hand & Wrist, Galvanized Steel Construction For Durability, Uses 1/4", 5/16" & 3/8" Size T50 Staples.