What you get: the package comes with 4 pieces replacement sander pads for DWE64233 compatible with for DWE6423/6423K, DWE6421/6421K, DWE6421-, DWE6421-B3 and DWE6421-BR, which are designed for sanding flat surface, sturdy enough for long-time use and enough to meet your work need Easy installation: there are 4 mounting screw holes, which can not only quick and convenient installation, but can also provide increased abrasive paper grip; Please note that screws are not included Quality material: The metal backing is much the original plastic backings. It is harder and more difficult to be broken Delicate design: the orbital sander replacement pad can switch between grits, which will bring more convenience; 8 Hole design makes it more effective to collect dust Good performance: our sander pad comes with thickened backing, which is much harder than others and not easy to break; High-density and uniform hook has good stickiness Material:Metal+rubber colour:Black+silver Package Contents: 4 * Hook and loop replacement sanding pads Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.