23Pc 1/16-3/4 Inches Precision R8 Collets Set Mill Chuck Holder Hardened T.I.R. Product Details 23 Pieces 1/16'' - 3/4'' R8 Collet Set; Precision ground to close tolerance Accuracy .0006" TIR, Drawbar Thread: 7/16"-20 Size: 1/16" 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" 17/32" 9/16" 19/32" 5/8" 21/32" 11/16" 23/32" 3/4" Made of highest grade steel available; Hardened and ground throughout; Well packaged in a plastic case individually Usage: Suitable for all kinds of milling machine spindle taper hole for the R8; It used for clamping tools, change the taper hole of the spindle, It is easy to use, to enlarge the use range of machine tool. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.