"The Hagen's Hawg Trough Fish Ruler takes the struggle out of measuring frightened fish. This fish-measuring board has a special design that cradles your catch and holds it secure for a quick and easy measurement. Measures fish from 8""30"" with additional 1/4"" markers for maximum accuracy. The Hagen's Hawg Trough Fish Ruler is made of injection-molded, high-impact polystyrene. UV-protected plastic protects against fading and aging. Yellow and black color scheme makes numbers easy to read.Manufacturer model #: HOGTROUGH-CHT. Measures frightened fish with ease Special design cradles and secures fish Measures fish from 8""30"" Measures in 1/4"" increments High-impact polystyrene UV-protected plastic Easy to read"