Micro air die grinder Item no: bta-sk01 Remark: micro air die grinder kit Micro air grinder Free speed: 54000 rpm Capacity: 1/8"/3 mm Air inlet(pt): 1/4" Air hose(id): 3/8" Avg.Air consumption: 2 cfm / 57 l/min Air pressure: 90psi 1 pc micro air grinder 1 pc mini oiler 1 pc oil pot 2 pc hand wrenches 1 pc female nipple 10 mounted stones 1 pc plastic tool case Package: 1pc/plastic tool case 20pcs/carton/49*34*40cm G.W/n.W: 18/16kg