SPECIALIZED LOCK FOR B&W HITCHES/ CURT MFG: Be sure to check your hitch – each of our locks is specially designed to provide an extremely secure fit! This receiver lock fits a 2” and 2.5” Shank and measures (1) 5/8"x 3-1/8" Span - Hitch Lock | (2) 5/8"x 4-1/8" Span . This is a specialized lock for your luxury Curt Mfg & B&W Trailer Hitches. Specifically, the B& W Tow and Stow 2" & 2-1/2" - 10,000 LB & 14,500 LB | Curt Mfg. - Adjustable Channel Mount - (2-1/2" Shank, 20,000 LBS.) #45902 | UNLOCKS EVERYTIME: Turns without a hitch! InfiniteRule Security’s Receiver Hitch Lock keeps away meddling hands. You never have to worry about your key getting stuck due to wrong configurations, the metal getting bent, or its interior corroding. | FITTING DETAILS: The Class III, IV, V B&W locking pin, Fits a 5/8" pinhole with (1) 3-1/8" Span & (2) have 4-1/8" Span. This stainless steel trailer hitch lock has a weatherproof cap to protect the keyhole by keeping water, grime, and dirt out of the lock mechanism to ensure years of use. Our stainless steel hitch Locks have an attractive finish that will not rust in rough weather. | MAXIMUM SECURITY: This hitch lock set PROTECTS your investment. This Curt Hitches / B&W trailer hitch lock features a Stylish Stainless Steel design, reliably keeping your Receiver & Trailer Hitch secure. These lock pins are structurally and functionally sound, enabling you to use them for any job you could think of. Made for long-lasting use. | AN AMERICAN PRODUCT: The InfiniteRule Security Hitch Lock (Model No. 61653) provides peace of mind when towing any trailer. The innovative design, which is created right here in the USA, is carefully and meticulously manufactured by our experts in our very own facility. Each piece is inspected for any imperfections to ensure ease of use, durability, and reliability.