HHIP 2006-1022 3/16 Inch B HSS Keyway Broach with 1 Shim Broach Size 3/16; Type B; Broach Dimensions 3/16 x 6-3/4; Shims Required 1 Length of Cut(Min.) 19/64; Length of Cut(Max) 1-11/16 Broach is tapered and Ground with bright finishing. Tolerances .1877.1887 High speed steel Shim included; Heavy Duty Tolerances .1877.1887