COMPATIBLE MODELS: Designed to fit on 1.Replacement Sander Pad for: DWE64233 & N329079; 2.Compatible with: DWE6423/6423K, DWE6421/6421K, DWE6421-B2, DWE6421-B3, DWE6421-BR, DCW210B . NOTICE: The screws are not included. EASY TO INSTAL: Build-in 4 mounting screw holes for quick and easy installation, and for increased abrasive paper grip. HIGH-QUALITY RUBBER PADS: The soft rubber can reduce vibration from orbital sander for better work. For added convenience, this sander pad allows for switching between grits. 8 Hole design for effective use with dust collection. Model: 5-inch 8-hole 4-eye universal polishing wheel Thickness: 10 Grains: Aperture: 4/12.3/50mm Applicable disc diameter: 5 inches 125mm Scope of application: grinding and polishing with a 5-inch 8-hole 4-eye sander (for ) Note: We do not research and use every model, as long as the hole positions are correct, there should be no Colour:Photo Color Material:PU Package Contents: 4 x Sanding Disc Backing Pads Only 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.