The HT50i R.E.D.™ Hammer Tacker belongs to Arrow Fastener's R.E.D.™ product range, short for: Reliable. Ergonomic. Durable. Built from the ground up to deliver all the features that professionals want in a hammer tacker. The HT50i R.E.D.™ Hammer Tacker is a more convenient hammer tacker with an easy bottom-load system that holds two full strips of staples. It uses three sizes of T50® staples: 6mm (1/4"), 8mm (5/16") and 10mm (3/8"). It is tough and lightweight due to its die-cast housing and features a balanced weighted head for improved driving power. The HT50i features a jam-resistant mechanism and an ergonomic soft rubber grip, enabling you to work efficiently with less fatigue and more comfort.