100% Stainless Steel Hitch Pin Pivot Lock, Fits 2 1/2 in. receivers Designed to Fit 2 1/2 in. receivers. (Class III/IV 2" & Class V) 3 1/2 in. usable pin length. 5/8 in. pin diameter, Pivot lock design. 100% Made of Stainless steel, will never rust or corrode. SATISFACTION GUARANTEE: We take pride in delivering top quality products and are proud to offer our friendly 90 day money back guarantee in case you are not 100% satisfied and wish to return the product for ANY reason.