Machine Chuck, Scroll, Height 3.5 In., Dia. 10 In., Capacity Max. 9.84 In., Capacity Min. (In.) 0.197, Gripping Range External 0.394 - 9.84, Gripping Range Internal 2.28 - 9.25, For Use With Direct InA In Mount, Clamping Force 10, 120 Lb., Jaw Material Steel, Jaw Type Two-Piece Reversible, Max. Bore 2.17 In., Number of Jaws 3, RPM 3500, Spindle DIRECT A1-6, Tolerance 0.0004 In Radial