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This set includes 8 individual ER25 coolant sealing collets in English Sizes
- Total runout less than .0003 on these precise ER25 collets
- Made from alloy steel hardened to 54 - 56rc
- All critical collet surfaces are precision ground for accurate fit
- The following mm sizes are included - 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8
- Comes in a plastic collet box
- Box dimensions are 8.75"x5"x2" tall (with lid closed)