TRACER Clog Free Markers can mark on almost every surface, even shiny or dusty surfaces. The kit is complete with site holders.
 
The TRACER Red Clog Free Marker Kit is the perfect pack for tradespeople and DIY enthusiasts alike. TRACER Clog-Free Markers can mark on almost every surface, including dusty and shiny surfaces. Always to hand with TRACER site holster. The pack includes 1x Blue Marker