a.Material:tungsten carbide b.Suitable for hitting/cutting medium-hard, hard and very hard ... manufacturer of tungsten carbide products such as indexable inserts shims, drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, etc ... all kinds of tools for rock and soil project, such as Hole Openers, Hammers & Hammer Bits, Drag Bits, rock drilling, etc. ...