The Wil-E-Go Belly Board is the fastest, easiest, and most accurate way to determine whether your fish needs to ‘go'. When you catch a bass that may be questionable in length, lay the fish on the Wil-E-Go Belly Board and read the length from the raised scale on the board. This is the board most used in tournaments all over the US because of its accuracy and ease. The Wil-E-Go Belly Board has a concave surface to lay the bass in that gives a more accurate length reading. The Wil-E-Go Flat Board is just the stopper and the length scale. Many anglers keep the Wil-E-Go Belly Board in their livewell for convienence when actively culling fish. Don't lose points in a tournament or risk a violation simply because you couldn't measure the length of your catch accurately. The Belly Board measures up to 15" while the Flat Board measures 18", with a 10" crappie scale as well. The Wil-E-Go board is all you need to determine will he go?