Marcy 2-Piece Threaded Super Curl Bar with Chrome Spin Lock Collars Free Weights Accessories for Home Gym SCB-248 CHROME-PLATED CONSTRUCTION Built for weightlifting and bodybuilding, the SCB-248 Curl Bar boasts a high-quality steel construction thats reinforced with chrome plating. Its smooth surface resists corrosion and prevents materials from sticking to the bar COMPATIBLE WITH STANDARD PLATES  Built to be compatible with standard 1-inch weight plates without collapsing, this curl bar set secures workout weight plates effectively with its threaded posts and spinlock collars for a hassle-free workout experience. VERSATILE CURVED BAR  Training with the SCB-248 is incredibly versatile! The easy curl bars unique structure facilitates precise contact of your hand onto the shaft for a superior hold. It also allows multiple grip positions for comfortable lifting. KNURLED GRIPS  This premium curl bar has knurled grips that are ergonomically designed to enhance your grip while lifting. The textured handgrip offers a comfortable hold throughout the workout and prevents the bar from slipping when moistened with sweat SPINLOCK COLLARS  Forget about wobbly and unstable plates when training! This weightlifting bar features threaded spinlock collars that attach firmly to the ends to secure weight plates and prevent them from moving when you exercise.