IRWIN Tools QUICK-GRIP C-Clamp, 1 1/2-inch, 1 1/2-inch Throat Depth (2025101) 1415-C features: -this popular line of light/regular-duty Clamps Quick-grip C-Clamp, 1-1/2 in, 1-1/2 in throat depth, steel Manufactured in Canada 1-1/2-inch opening with 1-1/2-inch depth 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