Attributes . Marks can Easily be Removed With a Detergent Solution Having a PH >9.5The Removed Marks Won't "Ghost" or Bleed Through When Painted Over; Ideal for Quality Control, Part Assembly, Identification, Site Inspection and More; Easy Identification of Pressure Points or Defects in Metal; Valve Action Mechanism Prevents Paint in Barrel From Drying When the Cap is Left Off; Threaded Barrel That can be Screwed Into a Jig or Fixture for a Continuous Marking Process; Heavy Duty Aluminum Body . Names