[Specification Size]5 inch hook and loop sanding pad has 4 screw holes and 8 dust holes, Center distance of non-adjacent screw holes is 1.97 inches/50 mm, Center distance of adjacent screw holes is 1.38 inches/35 mm, please confirm your machine size before purchasing[Compatible Models] Replacement sanding pad for DWE64233 & N32907 compatible with DWE6420, DWE6421, DWE6421-, DWE6421-B3, DWE6421-BR, DWE6421K, DWE6423, DWE6423K, DCWE210B random orbital sander[Product Material]5 inch orbital sander pad is made of metal backing and high quality soft rubber for more long lifetime. The engineering plastics are hard to be damaged, and the soft rubber can can reduce vibration from orbital sander for improved results[How to Installation]When the replacement pad needs to be replaced, simply remove 4 screws that hold the pad to the sander, then replace it with a new. NOTICE: the screws are not included[Save Mind and Effort]You need this metal sanding pad to better complete your polishing work, no longer worry about the high temperature generated by friction melting your pad, and do not worry about the frequent replacement of the pad to bring you economic lossesColour: BlackMaterial: RubberPackage Contents:2 x orbital sander padOnly the above package content, other products are not included.Note: Light reflection 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.