High temperature resistance and waterproof soapstone, The marks are much clearer and 't be burnt off during welding. Round aluminum holders, apply to all kinds of operation requirements. Widely used in welding kit, fabricating project and cutting application.Perfect for marking targets and measurements. This Soapstone Pencil Kit are excellent for your marking needs. Make perfect markings for welding, metal fabrication, construction, and textile. This Soapstone Holder prevents soapstone breakage and ensures accurate marks, this is a very usefull welding marker. All Soapstone Sticks are made of natural white soapstone. Grain cut to strength andlong service life. Marks not contaminate welds and are easily removed. Low water content for increased hardness and resistance to breakage. Colour:Silver Material:aluminum alloy Package Contents: 3 * Round Soapstone Holders Only 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.