ToolShed Job Site Marker Pens 10 pack. The ToolShed Job Site Marker Pens are perfect for working around site and are a must have in the tool belt. These pens are capable of writing on oily, dusty, and wet surfaces on a range of materials including metal, concrete, and timber thanks to their heavy duty acrylic nibs. With a long cap off life of up to 72 hours, this 10 pack includes a range of different colour and sized pens, all with quick drying permanent ink so you don’t risk wiping away those important markings. Features. - Capable of writing on oily, dusty, and wet surfaces. - Will write on a range of materials including metal, concrete, and timber. - Feature heavy duty acrylic nibs with a long cap off life of up to 72 hours. - 10 pack that has a range of black, red, blue, and green markers. - Range of tip sizes in the pack including bullet tip, fine tip, and ultra fine tip. Specifications. Pack Size - 10