The Welterweight is a little smaller and quicker than the Knockout but with the same Power Punch action. Speed Kills! When all of your buddies are getting beat up going for the Knockout, go for a shot Below the Belt, and tie on the Welterweight The Welterweight weighs in at 3 Ounces and is 9.5 Inches in length. The size 9 Magnum blades make for a Perfect Punch when the fish are looking for something a little quicker than the Knockout