[Compatibility]: The 5inch and loop sanding pad fits for DWE6421/6421K, DWE6423/6423K, DCW210B Random Track Sander. It's direct replacemrnt for pad part number DWE64233, N329079, RSP54. [Designed for ]: The special pattern of the pad is designed for Track Sander with 8 dust holes and 4 screw holes. [High-Density Surface]: High-density and uniform strong stickness and a long service life. [Soft Rubber]: High-quality and soft rubber can reduce vibration from Trackal sander for improved results. [Easy Installation]: Easy screw-on Installation. Attaches easily and hassle-free. NOTICE: the screws are not included. You can the existing screws on your sander. colour: black + blue Material: PU + rubber size: Diameter: 125MM Package Contents: 1 * 5inch and Loop Sanding Pad Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.