Dreyoo Edge Finder, Milling Machine Edge Finder For Flat, Straight Edge, Center Product Details Milling Machine Edge Finder, Convenient and Practical to Use Feature and Function: Specification: Warm tip: Accurate Edge Finding: the edge gauge is the ideal tool for most craftman who needs precise job placement; Rated up to 1, 000 RPM, it locates round or flat workpieces to within 0.0005 inches Professional Design: with its lightweight design and easy usage, it is a reliable tool applied by machinists to locate center points and scribe lines; The whole is made of tool steel, finely hardened, ground and lapped with extremely tight tolerances on diameter and concentricity; Designed to be quick and easy to use to get the job done every time Versatile Application: can be applied to locate edges on any surface, including flat surfaces, straight edges, shoulders and grooves, as well as rounded workpieces such as dowels or the center of a circle; Finds the precise edge location and helps you determine the exact position Easy to Use: use it in a standard 1/2'' diameter collet or chuck; As it rotates and approaches the edge of the workpiece, it stops wobbling violently and the head moves about 1/32'' to the side, making it easy to record accurate data Warm Tips: make sure all working surfaces are hardened and ground, please contact us if you have any problem 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.