Enough quantity: there are 4 pieces of tungsten carbide scribersDurable to use: the glass scriber consists of a durable tungsten carbide tip and an Metal shell, which can easily handle many hard materials, such as hardened steel, stainless steel, ceramic jade, shell, glass .The tungsten carbide knife are durable and not easy to break.Simple to hold: the tungsten carbide scriber is designed in pen shape with a sturdy structure, light weight, knurled aluminum handle, non-slip, easy to hold and control, and can be applied for smooth and clear strokesThe aluminum etching engraving pens with a magnetic design can small parts and recover steel filings from hard-to-reach places, and are useful for etching and engravingyou can use them to mark clear lines on many kinds of hard materials, suitable for glass, metal, wood, ceramics, jewelry and moreColor: silvermaterial: metalPortable and compact: the design makes the steel engraving pen easy to carry and hardly lost, you can your pen on your pocketPackage Contents:4 x carbide scriberOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.