Senco Roof Pro 455XP Nailer With Sequential Actuation Trigger 3D0101N This product is easy to use. This product is highly durable This product is manufactured in China Drives 11 gauge (.120") , full round head roofing nails 3/4" 1-3/4" smooth shank. 360 degree adjustable exhaust Includes Case Tool-free adjustable depth of drive for consistent and controllable nail set Adjustable nail canister accommodates entire range of true round-head roofing nails