STANLEY Heavy-Duty 2-in-1 Staple/Nail Gun. Utilises an easy squeeze handle with an anti-jam action and handle lock for easy storage. Applications include: insulation, upholstery, roofing paper, panelling, carpet underlay and general repairs. Specification: Suitable for Staples: 6mm (1/4in) , 8mm (5/16in) , 10mm (3/8in) , 12mm (1/2in) 14mm (9/16in) .