Standard Pack = 1 piece(s). Center Diameter = 0.63 IN ; Clamping Diameter = 3.15 IN ; Height = 0.945 IN ; Inside Diameter = 2.283 IN ; Nose = - ; Series = 680-12 ; Size = 9.5 x 3.2 mm ; Turning Diameter = 3.189 - 6.299 IN ; Type = Right Hand Rotation Driving Disc ;