Easy to use but not easy to break, easy to install
Package included:
1 x Chuck
3 x jaws
1 x wrench
3 x screw
Specification:
Dynamic type: Manual
Chuck Material: Nodular Cast Iron
JawsMaterial: Hardened Steel
Chuck Diameter: 100mm
Clamping Range : 2-30mm
Hold tight size range: 30-90mm
Centering precision: 0.05mm