These Stanley Fatmax Chisel Tip permanent Black Markers are ideal to mark out in all-weather and environmental conditions. They have a strong durable chisel tip which reduces wear and tear even when they are used on abrasive surfaces. They are water and oil resistant.The Bi-material hand grip provides ease of use in all weather conditions as well as when wearing gloves. They can be used to mark tools, equipment and for marking – copper roofing material, gas pipe, black pipe, wood, metal, concrete, coating roof, pipe, and welding. Specifications: Colour: Black.Pack Quantity: 2.Additional Information:• Colour: Black• Pack Qty.: 2