Adjustable Clamp 1434-C Adjustable C-Clamp, 3 x 4-1/2-Inch This item is Adjustable Clamp 1434-C Adjustable C-Clamp, 3 x 4-1/2-Inch Used for Handtools & Tool Organizers, Clamps The product is manufactured in United States 3-inch opening with 4-1/2-inch depth deep throat capacity and full closing screw Steel screw has special smooth "rolled" threads, revolves freely and fastens securely Steel sliding-pin handle Frame has bright plated finish with machine-ground anvil