IRWIN MECHANICS NO.1 – 3″ JAW

Rigid and robust, the body and sliding jaw are cast from close grained grey iron which is CNC machined on all friction surfaces for a smooth reliable action.
The jaws, handle and main screw are steel, the latter having a two-start rolled acme thread to speed the jaws from fully closed to fully open with a minimum of winding
Model 3
Jaw Width 102mm
Jaw Depth 70mm
Jaw Opening 120mm
Base Width 129mm
Base Length 75mm
Net Weight 15.0kg