BRITE MARK® 40 Threaded Cap Barrel Permanent Paint Marker, Valve Action, Red, Medium ORS NASCO Protection against extreme heat temperatures Extra Protection against extreme heat temperatures Extra heavy weight terry cloth Cable lugs give you completely insulated welding machine terminal connections Quick connect convenience Simple and safe General purpose felt tip paint markers that write on virtually any surface Quick drying or losing opacity Valve action mechanism prevents paint in barrel from drying when cap is left off Bullet tips are replaceable to assure complete use of paint in each marker Heavy duty aluminum body with large paint capacity