s 8x Cerium Oxide Glass Polishing Kit Windscreen Scratch Remover and Felt and 3" Pad Specification: Cerium Oxide Powder Capacity: 4 Oz(120g) Felt Polishing Wheel Diameter: approx. 20mm or 30mm Felt Polishing Wheel Pad Diameter: approx. 75mm or 3" Felt Polishing Wheel Pad Plate Diameter: approx. 80mm or 3.15" Drill Adapter Diameter: 8mm or 0.31" Pad Max RPM: 12000 Feature: Cerium Oxide is the best polishing powder to glass scratch. Easy to use. Restore lightly scratched windows, mirrors, tabletops, windshields, glass tables, shower screens, windscreens, fish tanks, car headlights etc. Simple and practical. Convenient to use. Instructions: 1. Clean the glass thoroughly. Mix some water with some of Cerium Oxide Powder in a tub. The ratio is 1: 1 (water: powder) in weight. e.g. 100 ml water add 100 grams powder. Use a stick to blend them thoroughly mixed to wet paste. 2. Attach the hook and loop backing pad to a electric drill. Attach the wool polishing pad to backing pad. Apply a small amount of the wet paste to the glass and wool pad. 3. Work the polishing pad over the scratch. 4. Applying more wet paste to continue polishing. Add a little water if too dry or overheat. 5. Repeat until the light scratch is no longer visible. Package included: 1 x Cerium Oxide 1 x 20mmm Felt Polishing Wheel 1 x 30mmm Felt Polishing Wheel 1 x Polishing Wheel Pad Plate 1 x M10 to 8 mm Drill Adapter 3 x 3" Wool Polishing Pad Note: Please allow 1-5mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated the same. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.