At 2oz and 7 1/2" long. Musky fishermen know it takes a surface lure with a plopping sound to draw in the big strikes. The whopper Sr. tail makes that sure-fire, deep thumping sound no matter how much abuse it takes. Made out of super-durable plastic, its roll-resistant and variable sound design works well at all speeds. At the end of your retrieve, go in to a deep figure 8 to invoke that strike from the one that followed or the one thats been sitting under the boat just watching.