Industrial Markers, Metal Marker, Removable, Marking Tool Color Family Silvers, Marking Tool Tip Size Group Medium, Min. Temp. 0 Degrees F, Series Silver-Streak, Marking Tool Surface Material Metal, Marking Tool Tip Shape Round, Tip Size 1/8 in, Tip Material Lead, Actuation Type Mechanical Pencil, Features Unique Reflective Lead is More Visible Through a Welder's Filter Plate and will Not Rub, Burn or Blow Off Like Soapstone, Marks on All Metal Surfaces Including Oily or Wet, OSHA