Each welder's pencil has a built-in pencil sharpener for you to quickly sharpen the lead, and there is a clip on the top that can be fixed on your clothes, bringing you a lot of convenience The silver striped round refill makes luminous marks on metal and oily surfaces and maintains its performance under high welding temperatures; compared to soapstone, welding pen marks are harder to erase. Erasable and conspicuous: These pencil refills are water-soluble and can be wiped with a damp cloth when you mark a mistake or make the spot more beautiful and traceless; Drawing on dark surfaces is no longer a problem Works on a variety of surfaces: Almost any material surface or texture can be marked with this universal woodworking pencil, such as oily, rough, smooth, wet, dry, cold or rusty surfaces, suitable for construction, cars, bowls, metal, Plastic, glass, wood and paper Colour:As Shown Material:Metal Package Contents: 2 x Carpentry pencils(blue,red) 48 x Refills(24Pcs silver, 12Pcs yellow, 12Pcs red) 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.