Cheap And Discounts A Set High Precision 0.008 ER Collet Chuck ER25 1~16mm For CNC Milling Tool Holder Engraving Machine Lathe Mill Spring Chuck nut Wholesale. Buy Directly From Merchant EMill Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.