6inch sponge plate coarse and medium fine car polishing waxing reduction disk sponge polishing wheel flat sponge wheel Type: Back velvet Material: imported polyester sponge Outer diameter: 150 (mm) Inner diameter: 25 (mm) Applicable diameter: 150 Maximum speed: 6000 (rmp) Scope of application: polishing waxing grinding reduction Thickness: 30 (mm) Series: Self-staining flat sponge Model: 6 inch bule fine throw, 6 inch red Medium throw, 6 inch orgen rough throw