Weatherproof, light-resistant and offering excellent adhesion, the PERMANENT GRIP MARKER, with its ergonomic triangular shape and dotted grip zone, is ideal for writing on almost all surfaces like glass, wood, card and metal. It can be fitted with a robust round or chisel tip for different line widths and is available in smudge- and waterproof red, blue, green and black ink. Easily refillable using the Refill PERMANENT 1505.