Overview Made of chromium-vanadium alloy steel material, heat treatment, and hardness HRC52-54. It has good wear resistance, long life, and durable. Convenient operation. Suitable for home maintenance. Notes: 1. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color showed in the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.