- Black Oxided Surface to Prevent Rusting.

- Made of Carbon Steel.

Please note:

Only for 4 inch Chuck MWLC100C,NOT for other chucks!

Specifications:

• Step Jaw Set:

- Internal Diameter(contracting action):5-56mm

- External Diameter(expanding action):20-91mm

• Round Jaws Set:

- Internal Diameter(contracting action):71-123mm

- External Diameter(expanding action):81-134mm

• Pin Jaw Set:

- Jaw Length:24mm

- External Diameter(expanding action):23-74mm