Outside Diameter (mm): 178
Gage Diameter (mm): 159
Center Hole Form: THREADED
Length (mm): 118
8R-3931: 177.67mm Outer Diameter Pin Retainer Collet
Description: COLLET | Application: 992C, 992D, 994, 994D, 994F, 994H, R1600, R1600G, R1600H, R1700 II, R1700G