Cheap And Discounts 173E Collet Round hole 3-42mm DIN 6343 CNC Lathe Machine Fitting Chuck Collet 42 Type E173 Spring Steel Forward Push Collet Wholesale. Buy Directly From Merchant Shop1103308796 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.