The arrow et501 is a heavy duty electric staple nail gun suitable for insulation and upholstery applications the body is made for a high impact composite plastic with a cushion grip slip resistant palm grip fastenings are bottom loaded a fully adjustable power knob allows the fastening to be driven to the required depth 1 year limited warranty works with t50 heavy duty flat crown staples6mm 14in8mm 516in10mm 38in12mm 12in13mm 1732in14mm 916in bn1810 18 gauge brad nail15mm 58in