With Rubber Tips Made of high-grade material for durability and practicality. Jaws have plastic tip covers to protect glass from scratches or chips from the tool. Comfortable premium grips and rubber tips help secure glass, while flat jaws provide leverage to run the score and reduce hand fatigue. Repair Tools Designed to work on different thicknesses of glass. Glass breaking pliers break along a score line or can be flipped to nibble glass away from the edges. Includes an eyeglasses repair tool set for frame adjustments and repairs. Easy to Use Professional tools kit for rimless frames; quick and easy to repair glasses frames. Glass running plier features an adjustable set screw to control the amount of pressure applied. Set screw is easy to adjust and properly tapped. Suitable For Packed in a blue plastic case for convenient transport. Includes 3Pcs Glass Tool Kit. Not only for glass fusing and breaking small pieces for crafts, but also for cutting glass for window panes and a wide range of glass projects.