ALLY Tools Round Soapstone Holder with 7 Round 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]: Tightened End Collar Always Safely Secures Soapstone [HIGH QUALITY]: Holder is Made Only with High Grade Aluminum for Excellent Durability [INCLUDES]: Round Soapstone Holder with 7 Round Soapstone Pens (1 pen pre-installed in holder)