Steel Construction with ergonomic rubber grip Bottom load with precision fastener control, resists jams Slip Guard keeps tacker from slipping out of hand Recessed hand grip and Knuckle Guard protects hand Perfect for roofing, insulation, housewarp, flooring Product Description The Arrow HXT50 Professional Hammer Tacker is a great tacker for combating both professional and DIY tasks. The tacker features an Ergonomic Soft Rubber Grip for easy and comfortable use all day. The Recessed hand grip and knuckle guard help to protect the hand. Where as the slip guard keeps the tacker from slipping out of the hand. The gun can load two full strips of T50 staples, which can be in 8mm, 10mm and 12mm sizes.