"ARROW FASTENER" HEADY DUTY LIGHT WIRE HAMMER TACKERAll steel construction High carbon hardened steel working parts Jam proof mechanism Precision locked rear loading Retractable striking edge Specially designed power grip handles Loads 2 Full Strips (#260) Arrow .030 Thin Wire Staples,324-T32 1/4" Staples, 325-T332 5/16" Staples & 306IP 3/8" Staples.