●Dimensions: 5 inches/125 mm diameter of the 8-hole sanding pad and 4 screw holes, the distance from the centre to the centre of the screw hole is 1-1/4 inches. ●[Application] : Compatible with DeWalt DWE6423 6423K DWE6421 6421K DCW210B. ●[Features] : The sanding pad has 8 holes and 4 screw holes can be used in conjunction with a sander, which has a dust collection system to effectively vacuum and remove dirt. ●[Material] : Made of PU material, it provides a smooth and polishing effect and prevents damage to the disc holders. ●[Installation] : Easy to install, 4 mounting screw holes for quick and easy installation, with excellent grip.