Manufacturer Part Number: 4500295|Collet System|ERCollet Series|ER20Shank Type|StraightNumber Of Pieces|Minimum Collet Capacity|Shank Diameter (Decimal Inch)|3/4inMaximum Collet Capacity|Taper Size|Collet Size|0.0410-0.0800 in; 0.0800-0.1200 in; 0.1200-0.1590 in; 0.1590-0.1990 in; 0.1990-0.2380 in; 0.2380-0.2780 in; 0.2780-0.3170 in; 0.3170-0.3560 in; 0.3560-0.3960 in; 0.3960-0.4350 in; 0.4350-0.4740 in; 0.4740-0.5140 in; 1/16 in; 1/2 in; 11749 in; 11871 in; 11Material|Collet Chuck Minimum Capacity (Decimal Inch)|0.0410Collet Chuck Maximum Capacity (Decimal Inch)|0.5140UNSPSC Code|