Every Premier Spinnerbait is balanced to perform properly out of the package, and the layered premium silicone skirts are hand-tied to ensure correct strand orientation and to eliminate skirt falling off because of band deteration as seen on most baits. .031" wire for maximum vibration. Coil twist at swivel to eliminate those Smallmouth from removing the swivel and blade. Premium swivel. Fish-attracting sound, flash and vibration make this a must for every angler.