3 Inch x 4 1/2 Inch Deep Throat C - Clamp

The IRWIN 3" X 4-1/2" Deep Throat 100 Series has many improvements over the competitions. The handle is bigger which makes it 25% easier to apply torque. This feature will reduce hand fatigue and make it easier to apply force. The double threaded screw allows you to create 50% more pressure than the nearest competitor. This will reduce hand fatigue and make it easier to apply force. The double threaded screw will give you 50% less screw deflection which will save you time by reducing drift.