Retaining Ring Pliers Set, Straight Tip, Bore Diameter 2 7 16 in to 4 in ORS NASCO petroleum based lubricant compound fortified with petroleum based lubricant compound fortified with graphite and metallic flake Inert and will not evaporate or harden in extreme cold or heat For use in assemblies Marking sticks mark on dark surfaces and write on most surfaces Specially formulated to mark on wet and oily surfaces Extra bold tip marks dark surfaces with an opaque line Waterproof formula resists fading and adheres to virtually any surface Easy to use Custom grip handles for added comfort Spring loaded ratchet mechanism minimizes operator fatigue