Hardinge 09420019000011 Collet Sets; Collet System: R8 ; Collet Series: R8 ; Minimum Collet Capacity (Decimal Inch): 0.1250 ; Maximum Collet Capacity (Decimal Inch): 0.7500 ; Size Increments (Decimal Inch): 0.0625 ; Includes: 1/8" through 3/4" x 1/16