SeaDek 48 Routed Ruler - 6mm - Brushed Texture - Dark Grey/Black [53584-80067]48 Routed Ruler 6mm Brushed Texture Dark Grey Black The SeaDek 48 in. Fish Ruler offers a permanent and attractive alternative to stickers, tape measures, and other measuring devices. This ruler is 6mm thick with a brushed texture and has a two toned color feature that will stand out on any boat. *Not to be used as a legal measuring device; the application may cause distortion. Features: CNC routed measurements Easy to clean Routed numbers that will