JINYU Sander part: used to replace the original pad. It has a high density and even hook, and the soft rubber reduces vibration of the orbital sander for improved results.Dust protection: the backing pad has 8 dustproof holes and 3 screw holes, which, when combined with a sander with dust removal system, effectively attracts dust and debris.Easy to assemble: the built-in mounting threads make it easy and quick to install the sander change pad, saving you effort and timeReliable material: these disc sander pads have a smooth surface, are not easily broken, can be used many times over a long period of time and work very well on sanding flat surfacesApplication: Compatible with Makita BO5010/K, BO5030/K, BO5031/K, BO5041/K, etc.Delivery Quantity: 2pcsPackage Contents: Only the above package contents, excluding other products.Size: 12.3 cm in diameter, 1 cm in height(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Colour: Black(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)