Carpenter's pencils with 12 pcs. Replaceable marker cartridges and carbide tool for wood glass ceramics hardened steel Carbide marking tool: non-slip knurling on the surface. Scribe uses a tungsten carbide tip and comes with a carbide tip cover to protect the tip. Scribe lines on hard materials such as metal, wood, stainless steel, ceramic, and glass. It is a tool that can be used for a long time. Carpenter's pencil: 2.0mm insert, thick enough, strong and not easy to break. It is suitable for various marking occasions, such as sketching, testing, drawing, etc. It is an indispensable tool for carpenters, builders, mechanics, and businessmen. Easy to Use: The pocket clip is easy to carry and store on your body, and it only takes 10 seconds to replace the cartridge. Anti-breaking Refill: Increased density and thickness of the refill, can be stored for a long time, only 12 refills. Color: BlackMaterial: MetalPackage Contents:1 x Carpenter Pencils12 x Marker Refills1 x Tungsten Carbide Tip StylusOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.