[Compatibility] Compatible with DW420/K, DW421/K, DW422/K, DW423/K, DW426/K, D26450, D26451/K, D26453/K, D26456, BO5041/K, BO5010/K, BO503030 /K. 031 / K XOB01Z,Porter Cable 343/343K/343VS/343VSK,390K,382,[Simple screw installation]: The built-in installation thread can be quickly and easily installed, and increase the gripping power of the grinding paper.[Prevent damage]: Prevent damage to the disc holder. Ensure smooth polishing effect. Easy to install, no hassle.[8 dust collection holes]: The efficient 8-hole pad works with sandpaper with dust collection system. 8 dust collecting holes can suck dust and debris into the dust bag assembly. Super convenient dust collection function.colour: black + blueMaterial: PUsize: 125mmPackage Contents:2 x Hook and Loop Pad[Note] If your sand mill is not mentioned, please check whether it is suitable for your sand mill before making a decision, 5 inches in diameter, 8 dust-proof holes and 3 screw holes, especially screws The distance from the center of the hole to the center (1-7/16 inches).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.