supply of set of heavy-duty, 6 gear-based compact brushless reversible impact wrench (1/2 inch) with powerful dc motor torquing up to 290nm, metric screwing capacity up to m18. gear box solid high-grade metal gear.one time charged battery screwing up to 750 numbers. 12.5mm square coupler for holding socket. impact gear cover made from solid robust metal. procore li-ion battery voltage 18, capacity 5ah. no. load speed 0-1700rpm. impact 0-3400rpm, tool holder 12.5mm outer square for holding socket. weight without battery 1.2kgs. sound pressure level lpa 99.2db, sound power level lwa 107.2db. sound peak leve1 lpc peak 121.5db. vibration value l-ahv 3-way ah 15.0m square. packing in hard export quality, plastic toolbox with one device, two procore li-ion battery, and one rapid charger gal l880cv as, one magnetic bit storage, and one belt clip. 12.5mm sq. dr. knurled grip long black matt finish machine socket hex-inner dia 27mm, 30mm, 32mm, length: 78mm with safety ring/pin made from molybdenum steel designed according to din 3129. knurled grip manual socket matt finish made by chrome vanadium steel according to 3124 with female square 12.5mm sizes are 8, 9, 10, 11, 12, 13, 14,15, 16, 17, 18, 19,20,21 ,22,23,24mm x 38mm 1ong.knurled grip manual bit socket matt finish made by chrome vanadium steel bit made molybdenum steel gun metal finish according to din 7422 with female square 12.5mm sizes are 4, 5, 6, 7, 8, 9, 10, 11, 12, 14mmx 55mm long.set of heavy-duty, 6 gear-based compact brushless reversible impact wrench (1/2 inch) with powerful dc motor torquing up to 290nm, metric screwing capacity up to m18. gear box solid high-grade metal gear.one time charged battery screwing up to 750 numbers. 12.5mm square coupler for holding socket. impact gear cover made from solid robust metal. procore li-ion battery voltage 18, capacity 5ah. no. load speed 0-1700rpm. impact 0-3400rpm, tool holder 12.5mm outer square for holding socket. weight without battery 1.2kgs. sound pressure le