SUPER MET-AL MARKER 04031 Pump Action Paint Marker,Yellow Industrial Marker, Permanent, Tip Size Medium, White, Temp. Range -50 Degrees to 150 Degrees F, NSF Certified No, Tip Style Bullet, Tip Material Fiber, Actuation Type Pump, Base Material Water, Features Non-Slip Rubber Grip, Markings Come Off Completely In.In The Tank In., OSHA, ASTM D-4236