Sandvik Coromant 8278575 Hydraulic Chuck Sleeves; Inside Diameter (Decimal Inch): 0.7500 ; Inside Diameter (mm): 19.0500 ; Inside Diameter (Inch): 3/4 ; Outside Diameter (Decimal Inch - 4 Decimals): 1.2500 ; Outside Diameter (mm): 31.7500 ; Head Diam