Features:brand new and high qualityAdjustable set screw allows you to control the amount of pressure applied, set screw is easy to adjust, and properly tapped; you can use them on different thicknesses of glass.The flat jaw is scored by lever action to reduce hand fatigue.Great tools is not only for glass fusing, breaking small pieces of glass for crafts, cutting glass for window panes and for most glass projects. But aslo Install for Key Fob Hardwar easily.You can use them on different thicknesses of glass.Made of high-quality steel, durable and hard.Specifications:Material:SteelSize:as the Picture ShowNote:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.Package includes:1 x Heavy Duty Glass Breaking Plier