Convert your regular pouch release eyebolt to a "Rolling Release". This release bolt is designed to eliminate any possible hang ups of your winger pouch and misfiring of the primers due to worn eyebolts and metal wear. Your winger will gain a more consistant and smooth operation. Fits all newer style Zinger Wingers that utilize the steel "Eyebolt" on the pouch. Replace your old release bolt in minutes using a simple wrench.