Marcy 14&rdquo; Adjustable Chrome Threaded Dumbbell Handles for Standard Weight Plates with 1&rdquo; Diameter Center TDH-14.1 HEAVY-DUTY CHROME-PLATED CONSTRUCTION  Built for weightlifting, the TDH-14.1 Dumbbell Handles boast a high-quality steel construction reinforced with chrome plating. The chrome plating resists corrosion and prevents materials from sticking to the bar. KNURLED HANDLE FOR IMPROVED GRIP  This premium workout bar features a knurled hand grip designed to enhance your hold during lifting. The patterned bar facilitates precise contact with your hand for a superior grip, even when the bar is moist. COMPATIBLE WITH 1 PLATES  Built to be compatible with standard 1 weight plates without breaking or collapsing, this dumbbell handles set can accommodate weight plates of up to 40 lbs. allowing you to customize your equipment based on your skill level. THREADED COLLAR DESIGN  Forget about wobbly and unstable plates when training! Each bar in this set features threaded collars that allow plates to firmly attach to the ends to prevent them from moving when in use during exercise. COMES WITH 2 YEAR WARRANTY  This ergonomically designed workout accessory gives you the best value for your money. It is backed by a two-year warranty to let you enjoy hassle-free use for a maximized purchase experience.