Features: Used for 100 inch angle grinder motor rotor.Widely used in home and office equipment communication equipment, ship assembly and other machinery industry. Angle grinder type 100 modified type 125.Inner hole cutting discs 20mm and 22mm can be installed. Good customer service can help you resolve all customer complaints. Package Included: 1 Set Platen Specifications: Material: Metal Diameter: 3cm Color: As the picture shows Note: 1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!