Body made of heavy duty aluminium and internal mechanism of steel, Ergonomic handle made of nylon and TPR with safety system, Easy-to-operate trigger, Easy staple reload system, For staples thickness 0.6 mm¸ For 5/8 "18 gauge nails, for cladding, carpeting, woodwork, upholstery, chipboard, plastics and others. Staple Type: 140 series (10.6mm wide crown), Staple Length (that can be used): 9/16”(14.2mm), 1/2” (12.7mm), 3/8”(9.5mm), 5/16” (7.9mm), and 1/4”(6.3mm), Nail Measurement: 5/8"(16mm) 18 gauge