Cam action leverage delivers a lot of power with little effort. Opens for tacking. AntiJam´┐Ż 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. Stapler Type: Plier; Staple Capacity: Full Strip (210 Staples); Size of Staple Used: 1/4 in; Type of Staple Used: Standard.