This kind of changeable chuck belongs to the drilling clamp with general accuracy, which is more suitable for electric grinding. If the drill bit is a little shaky, it is normal! It is more suitable for the use of electric grinding!
This kind of universal drill clamp is simple and easy to use compared with the sandwich drill clamp!
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.