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This set includes 14 individual ER20 collets in English Sizes.
- Total runout less than .0003 on these precise ER20 collets.
- Made from Alloy spring steel and fully hardened.
- All critical collet surfaces are precision ground for accurate fit.
- These collets are true English collets. They are not relabeled Metric collets
- The following sizes are included, 3/32,1/8,5/32,3/16,7/32,1/4,9/32,5/16,11/32,3/8,13/32,7/16,15/32,1/2
- Comes in a plastic collet box
- Box dimensions are 7.25"x5.5"x2" tall (with lid closed)