- Designed for superior performance with steel pin and tension washer construction for added strength, no binding or locked joint
- Forged and machined for best fit and unyielding strength
- Precision heat-treated and tempered for optimal hardness, ductility and durability
- Easy to read stamp pattern in order to quickly determine opening size
- Designed, engineered and manufactured in Barberton, OH
- Meets and exceeds ASME B107 hand tool standards