Feature:1. Good Scriber: There is a scribing pen that has alloy nib, which is very incisive to easily draw line on hard material.2. 12Pcs Refill: Comes with 10pcs black refill and 2pcs red refill, largely simplifying the marking and differentiation.3. Wide Utility: Can be widely applied in the scribing on surfaces of metal, glass, ceramic tile, stone and other so on.4. Simple Using: Press the head to change the refill, and the pencil caps also have built in pencil sharpener for using.5. Smart Design: Integrally formed body is chrome plated and has non slip grain. The side clip enables simpler carrying.Specification:Item Type: Carpenter PencilMaterial: Tungsten Carbide + PlasticApplication: For woodworking scribing. .Package List:3 x Carpenter Pencil12 x Pencil Refill