Irwin® Vise-Grip® 5-Piece Replacement Spring Set includes 5 springs to replace damaged or worn-out pieces on your existing VISE-GRIP locking tools. The vise parts work with 4WR 4-inch curved-jaw pliers, 4LN 4-inch long-nose locking pliers, 4SP 4-inch locking C-clamps, and 4LW 4-inch long wrenches. This product is made of high quality material.