Features: 1. High quality material keep the item safe and easy operation. 2. for angle grinder and electric drill 3. Total length is 152 mm 4. 5 teeth type makes it effective in operation 5. 24 Hours cutomers service provides timely customer service Specifications: Material: Copper, Steel, Plastic Total Length: Approx.152 mm/5.98inch Rated Voltage: AC 220-240V Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you place order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 Set Armature Rotor