Body carbon steel.
Jaw plates mild steel.

Body black oxidised.
Jaw plates case hardened.

Both sides of the jaw plates can be used. Smooth side for machined faces, serrated side for rough faces. Two screws should be used to secure the robust side clamp to the machine table. Depending on the slot width, the screws for T-slots K0698 and K0699 make suitable mounting screws. These must be ordered separately.