Stanley 83-040 18-Inch Bailey Parallel Bar Clamp 18-inch parallel bar clamp with a jaw stop that keeps the bar parallel to your work piece Oversized jaw faces distribute even pressure over a large area Heavy-duty "I" beam design keeps jaws parallel; plastic-covered jaws protect surfaces from marring Bi-material, tri-lobular handle is comfortable and improves torque 3-3/4-inch clamp size; 18-inch overall length; limited lifetime warranty