SeaDek fish rulers offer a permanent & attractive alternative to stickers tape measures and other measuring devices. Offered in a 3mm thickness with a brushed texture these rulers are 4"x36" feature laser-etched numbers that will not fade or break down and utilize peel-and-stick 3M pressure sensitive adhesive for easy installation. As well as providing traction underfoot SeaDek fish rulers provide a non-skid surface for holding slippery fish in place for measurement. *Not to be used as a legal measuring device; application may cause distortion.