Enough Quantities Replace:The package contained pencil and round refills,it's enough to your daily need and replace. metal :The 2 mm round silver refills can lay out an that is not easily erased compared with other pen,and the reflective marking can make a visible sign for welder. Built in Sharpener:Each welder pencil has a built in sharpener,when you to sharpen the tip of the pen,you can sharpen it directly,and the top has a clip that can be fixed on clothing,it's not easy to off. Erasable and Conspicuous:When you accidentally draw the wrong ,you can wipe it with damp cloth,and the silver marking will disappear ,and you can draw the right again. Widely Applicable: The marking pencil can be used on the surface of metal, wood, plastic, tile, stone, glass and paper. The best woodworking tool for men. Colour:blue+black type: B Material:Metal Package Contents: 2 x markers 4 boxes x round refills Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.