Ullman No. 1830 Tungsten/Carbide Pocket Scriber with Magnetic Pick-Up, 5-7/16" Overall Length
All-in-one "push-click" safety cover on tungsten carbide with magnetic pick-up. Sharp tungsten carbide tip cuts into hard surfaces, leaves clear mark on metal, glass, plastics and tools. To expose tip- just pull cover down and twist. It locks in position. To protect tip - just turn cover clockwise and it automatically "clickes" shut. Overall length 5-7/16".