Drilling Capacity : 1/4 in .0mm Free speed : 2800rpm Lenght(w/chuck) : 5-1/4 in. 133.0 mm Height : 4-15/16 in. 125.0 mm Weight(w/chuck) : 1.4 lbs. 0.63 kg Air consumption(Normal) : 15.5 c.f.m. 0.44 m³(Normal)/min Hose size : 1/4 in. 6.5 mm