Description: Black permanent marker with a fine tip. Excellent erase, water, and oil resistance on most surfaces. Fast drying. Clip-on cap and ergonomic bi-material barrel for ease of use. Writes on virtually all surfaces: concrete, copper, wood, and metal. Ideal for painting nuts and bolts, marking tools, gas pipes, or steel pipes. Industrial use. Ideal for electricians, plumbers, or general contractors. Features: Marking concrete foundations Marking copper roofing materials Colored nuts and bolts that must be black Marking tools and equipment Marking wood and metal Marking gas pipes and black pipes Strong, durable tip reduces wear even when used on abrasive surfaces Bi-material grip provides greater ease of use in all weather conditions, even when wearing gloves Permanent ink makes it ideal for marking in all weather conditions Water and oil resistant