Cam action leverage delivers a lot of power with little effort. Opens for tacking. AntiJamTM feature virtually eliminates frustrating jams for increased productivity. Rubber grip fits easily in hand. Stands upright or lays flat. Metal and rubber. Removable assembly for easy top loading of a full strip (210) of 1/4" standard staples. Global Product Type: Staplers-Plier; Stapler Type: Plier; Staple Capacity: Full Strip (210 Staples); Size of Staple Used: 1/4 in.