Features:1. 14pcs set of sanding blocks, made of imported rubber, used with sandpaper to easily polish curves and contours.2. Sandpaper grinding frame, easy to operate, versatile, durable, saving time and effort.3. Three shapes and a variety of specifications to meet various needs, so that the grinding is more in place.4. Tadpole shaped sandpaper frame size (D): approx. 3/4inch, 7/8inch, 1inch5. Diamond Shaped Paper Holder Size (A): Approx. 90°, 60°, 45°, 30°6. Horn Shaped sandpaper frame size (D): approx. 1/4inch, 3/8inch, 1/2inch, 5/8inch, 3/4inch, 7/8inch, 1inch7. Used for grinding and polishing of automobiles, wood products and walls, as well as anti-rust of various metals.8. It needs to be used with sandpaper. Specification:Condition: 100% Brand NewItem Type: Sanding BlockMaterial: RubberColor: BlackQuantity: 14PCS Package List:14 x Sanding Block Note:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.