The patented Snap Shot Ruler is a quick, easy and fun way to accurately measure your catch and capture the ultimate trophy photo simultaneously. No more fish flopping and slopping up your deck while you struggle to find a tape measure, the Snap Shot Ruler is the first-ever true vertical measuring device. It's harmless to the fish and completely supports catch & release. The Snap Shot Ruler easily attaches to any grip, scale or fishing line. Just catch, clip & click. A great accessory for serious fishermen, weekend warriors and family outings.