Trailer Ball, Vehicle Class III, IV, Ball Diameter 2 in, Gross Towing Weight Capacity 3, 500 lb, Gross Vehicle Weight Capacity 3, 500 lb, Material Steel, Finish Chrome, Features Fine Threads, Limited Lifetime Warranty (1 yr Finish, 1 yr Parts), Zinc-Plated Hex Nut and Helical Lock Washer for Mounting, Ball Type Trailer Ball, Color Silver, Resistance Properties Rust-Resistant, Scratch-Resistant, Shank Diameter 3/4 in, Shank Length 2 1/8 in, Standards VESC V-5