[Compatibility]: Standard Replacement Pad for RS290, RS241, RS240, RS280/RS280VS, RS281VS, P411, 6021-21 & 6034-21, 315.112170,315.116940, 315.116950, 315.112180, 315.279870 Random Track Sander. [Upgrade]: We are the professional manufacturer for sander pads. We UPGRADE the black pad. Now it has thickened and harder backing, better cushion rubber and denser hook than the original pad. [Notice]: If your sander model is not mentioned, please do check if it fits your sander based on these information: 5inch dia, 8 dust holes, 4 screw holes. And the distance between 2 screw holes center to center is 1-1/8inch. (Screws and washers are not included) [Easy Installation]: Built-in mounting thread for quick and easy installation, and for increased abrasive paper grip. [Prevent Damage]: Prevents damage to disc holders. Ensures a smooth, polished result. color:Black Material:rubber Package Contents: 1 x 5-Inch 8-Hole Hook and Loop Sander Backing Pad 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. Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 1322 hours Hope you have a pleasant shopping experience!