PrimeSource Building Products, Inc. is the pre-eminent, full-service national provider of the industry’s premier brands. Home to the legendary Grip-Rite and Pro-Twist fastener brands, as well as RailFX, Nationwide Industries, Klinch-Pak, Complete, Ultra-Tec and LockeyUSA, PrimeSource Building Products owns a distinct advantage operating both as a leading manufacturer of proprietary brands and a distributor of premier third-party brands.Shop All Klinch-Pak ProductsVisit Klinch-Pak Website