Muscle Deep has weight moving system that allows you to cast further, dive deeper and most importantly, catch more fish than you ever have before. The midium size crankbait is only 2.5 inch's, but cann dive more than 17 feet. This bait also allows you to retrieve with less effort. This means that you will be able to get better results by working less, allowing you to enjoy your fishing experience more on those hot summer days.