Features:Made from high-quality thermoplastic polyurethane (TPU) rubber, hard enough to hold items in place but soft enough to protect finished, anodized or delicate surfaces from damage.A horizontal v-shaped groove on one side, a vertical V-shaped groove on the other side and a 45-degree V-shaped groove on the other side. For concave-convex objects, they can also be fixed by close fitting.5.5 inch length provides compatibility with vises of various sizes.Strong magnetic, easy to install on the bench vice.To protect screw from damage when fixed on bench vice.Highly compatible with a wide variety of fixtures, including bench clamps, drill press bench clamps, brass hammers, fixtures, bench clamps, grinding pliers etc, they make great grinding and drilling accessories.Suitable for all kinds of materials, very suitable for clamping wood, metal, plastic, pipe, thread, etc.Specifications:Material: polyurethane (TPU) rubberColor: BlueSize: 140*32*25mm/5.51*1.25*0.98inPacking weight:170g/5.99ozPackage size:150*50*50mm/5.90*1.96*1.96inHOW TO USE1.Install on the bench vise, make the screw screw stuck in the groove of the protection strip, clamp the bench vise.2.When the screw is in a fixed state, it can be independently maintained.Notes:1. Please allow 1-3cm measuring deviation due to manual measurement.2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Packing List:2 * vise jaw pads