Ink Markers

Certified Valve ActionThe Certified Valve Action is a highly-visible liquid paint marker pre-certified to contain low levels ofchlorides, halogens, low melting point metals and sulfur. Each manufactured batch is individuallyanalyzed and certified to meet U.S.A. and International nuclear and military specifications, and is safefor use on stainless steel...

Security Check Paint Marker Security Check Paint Marker is perfect for indicating tampering or loosening of bolts or parts, Markal Security Check paint provides an easy-to-read visual indication. The non-drip formula easily applies across bolt threads and cracks when loosened.