ALLY Tools Flat Soapstone Holder with 7 Flat Professional Quality Soapstone Pens for Welding and Welders Perfect for Making Removable Markings on Steel, Aluminum, and Cast Iron [PERFECT MARKINGS]: Make Perfect Markings for Welding, Metal Fabrication, and Construction [IDEAL FOR MANY SURFACES]: Ideal for Marking Steel, Iron, and Aluminum [SECURE]: Push Thumb Slider Allows For Easy Movement And Refilling. [HIGH QUALITY]: Holder is Made with Stainless Steel for Excellent Durability [INCLUDES]: Flat Soapstone Holder with 7 Flat Soapstone Pens (1 pen pre-installed in holder)