Fiber Tip Marker; Type Permanent Ink Marker; Manufacturers Ink Color Name Black; Marker Size 1/4"; Tip Diameter Medium; Tip Shape Chisel; For Use with/Fits Industrial Manufacturing, Construction, Shipping Supply, Automotive and Other Transportation, Steel Mills and Warehouses, Agriculture Industry, Heating, Ventilating, and Air Conditioning Industry, Plumbing Industry, Aviation and Aerospace, Metal, Cardboard, Pipes and Tubes, Plastic, Glass, Lumber and Timber, Paper, Sheet Metal; Waterproof Yes; Smearproof Yes; Non-Toxic Yes; Barrel Color Black