Feature: 1. Effective Sanding: These disc sander pads are made of rubber, have a smooth surface and not easy to break, can be used for many times for a long time, effective when sanding flat surfaces 2. Easily Quickly Install: The built in installation thread can easily and quickly install the replacement pad of the sanding machine, which saves replacement time and effort 3. Multi Holes: The 5in hook and loop replacement pad is characterized by 4 screw holes and 8 dust proof holes, suitable for most sander back pads 4. Compact Layout: The distance from the center to the center of the cushion screw hole is about 1 to 1/4 inch, which is suitable for most sanders with 4 screws 5. Scratch Resistance: Good quality ABS material possess impact resistance, scratch resistance, and environmentally friendly Specification: Item Type: Sander Backing Pad Material: ABS + rubber Purpose: Sandpaper polishing disc Color: Dark blue + black Grinding Disc Diameter: 5in Applicable Models: For Most grinders with 4 screws. Package List: 2 x Sander Backing Pad Note: Please use with a suitable grinder. Please confirm the size before purchasing.