Ball Bushing Die Set, Bore Diameter 1.5 in, Bearing Outside Diameter 2.72 in, Overall Length 5.61 in, Dynamic Load Capacity 770 lbf, Bore Tolerance – Maximum 0.001 in, Bore Tolerance – Minimum -0.001 in, Color Steel, Bearing Type Die Set, Bore Tolerance +/-0.001, Material Steel, Finish Steel, Maximum Operating Temperature 500 Degrees F, Pilot Length 1.44 in, Includes (3) Clamps, (3) Mounting Screws, Recommended Mounting Hole Diameter 2 in, Pilot Diameter 2.0007/2.0003 in