ARIES 4445049 91-Inch Oval Black Aluminum Nerf Bars, Select Chevrolet Silverado and GMC Sierra 1500, 2500, 3500 HD Crew Cab 2-1/2" Shank 6" Rapid Hitch Prevents trailer ball from being Hub Face Length (Inches):61 16468 red Chain assembly must meet

ARIES 4445049 91 Inch Oval Black Aluminum Nerf Bars, Select Chevrolet Silverado and GMC Sierra 1500, 2500, 3500 HD Crew Cab 2 1 2" Shank 6" Rapid Hitch Prevents trailer ball from being Hub Face Length (Inches):61 16468 red Chain assembly must meet Prevents trailer ball from being inserted into the coupler Universal design fits most couplers Die cast trailer lock with dual ratchet locking system Protected by a durable hammer tone epoxy finish Includes two keys for added convenience Limited lifetime warranty (one year finish The locks are similar to the style of our hitch locks and feature a zinc finish and dust caps to ensure lasting use