With Permanent Ink Designed To Mark On Wet And Oily Surfaces, Sharpie Pro Permanent Markers Are Built Jobsite-Tough. The Newly Redesigned Permanent Markers Better Fit The Needs Of Tradesmen With Features Like A Medium-Size Anti-Roll Barrel Shape, Cap Clip, Lanyard Loop, And More. This Black Professional Marker With A Chisel Tip Will Get The Job Done.