IRWIN Tools QUICK-GRIP 100 Series Deep Throat C-Clamp, 2-inch by 3 1/2-inch Throat (225123) Product Description Deep throat lets you use a smaller c-clamp on a larger project. Larger handle makes it easier to apply more clamping pressure with less hand fatigue. Double-threaded screw reduces screw deflection and drift for faster clamping and allows you to apply 50% more clamping force than with most clamps. C-clamp designed for woodworkers, carpenters, welders, builders, or do-it-yourselfers. Suitable for general clamping needs. Larger swivel pad reduces marring on work surface and increases stability. IRWIN Tools QUICK-GRIP 100 Series Deep Throat C-Clamp, 2-inch by 3 1/2-inch Throat (225123) From the Manufacturer The IRWIN 2" X 3-1/2" 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. Features Deep throat lets you use a smaller c-clamp on a larger project. Larger handle makes it easier to apply more clamping pressure with less hand fatigue. Double-threaded screw reduces screw deflection and drift for faster clamping and allows you to apply 50% more clamping force than with most clamps. C-clamp designed for woodworkers, carpenters, welders, builders, or do-it-yourselfers. Suitable for general clamping needs. Larger swivel pad reduces marring on work surface and increases stability. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.