Cast iron

Mild steel

Wrought iron

Hardened steel

Handle

Box nut

Fixed jaw

Movable jaw

30 Degree

45 Degree

60 Degree

90 Degree

30 Degree

45 Degree

60 Degree

90 Degree

0.002 mm / 10mm length

0.02 mm / 100mm length

0.2 mm / 1000 mm length

2 mm / 1 mm length