Diamond Beveling Chamfer Bit,Brschnitt 1 3/4" Diamond Finger Milling Bits With Product Details Feature: ?Size --1pc 1-3/4 Inch (45mm), 45mm workable length, 5/8-11 Thread, Grit #80, total Length 55mm,Top Angle 53 degree ?Wide Applications --Very useful to reduce the risk of cracking with standard and large format tiles subjected to tension (ex tightened plumbing, led lights etc),Bevel Ease chamfers and stress relieves rough holes in glass, ceramic and porcelain tiles ?High Performance --This diamond milling bit helps to be durable and have a long sevice life , Very useful to improve the edge finishing of exposed holes ?Cost-Effective --You could use only one size core bit and this finger bit to create different size of holes,which will save your money greatly! ?Machine --Angle grinder 5/8-11 thread,the enlarged holes' diameter from 0mm to 35mm 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.