All-steel construction, high carbon hardened steel working parts, patented jam-proof mechanisms, precision-locked rear loading, a retractable striking edge and specially designed power grip handle. Durable chrome plating finish to withstand the bumps and scratches of daily use. Loads 2 full strips (260) Arrow T30 and T32 1/4", 5/16" and T30 3/8" .030 heavy duty thin wire staples.