Feature:1. Applicable Models: The polisher backing plate is suitable for Bosch SKU 1600A01CU1, 260800351, for GEX 1251 AE3601C87500, 3601C87530.2. Hook and Loop Plate: The hook and loop disc at the bottom of the sanding disc can be glued with flocked sandpaper, water abrasive discs or self adhesive wool balls.3. Vacuum Hole: The built in vacuum hole of the sanding tray is uniquely designed, and the dust free work is more efficient and healthier.4. Easy to Use: The polishing disc is easy to install and easy to use, which can greatly improve your work efficiency.5. Wide Application: The matching disk thread can screw the grinding disk on the grinding machine and dry grinding machine, which can be widely used for grinding and polishing automobiles, furniture, hardware products, etc.Specification:Item Type: Polisher Backing PlateMaterial: PU, nylonHole Diameter: Approx. 26mm / 1.02inSmall Hole Pitch: Approx. 41mm / 1.61inLarge Hole Distance: Approx. 65mm / 2.56inGrinding Disc Diameter: Approx. 123mm / 4.84inUse: Sanding machine tray.Package List:1 x Polisher Backing Plate