About the 2866DAT Receiver Lock Hauling gear down the highway demands a lock that works as hard as you do. The Master Lock 2866DAT receiver lock fits both 1/2 in and 5/8 in receivers. It covers a wider range of towing setups than most single-size options on the market. Master Lock 2866DAT The Master Lock 2866DAT is a dual-fit receiver lock featuring the Push-to-Lock locking mechanism, which lets you secure the lock in seconds by pushing the body firmly onto the pin and removing the key. The Weather Tough seal and watertight cap protect the lock from moisture and dirt. It’s a dependable choice for outdoor and heavy-duty towing applications. A 4-pin cylinder adds pick resistance, and the Limited Lifetime Warranty backs the security of a brand with over 100 years in the industry. Browse our collections to see the full range of Master Lock towing and transport security options. 2866DAT Receiver Lock Product Highlights Model # 2866DAT Key Option Keyed Different Color Option Silver Fits both 1/2in (13mm) and 5/8in (16mm) receivers Usable length of receiver pin is 2-3/4in (70mm) Push to Lock™ locking mechanism - push lock body onto pin firmly and remove key 1/2in (13mm) Pin is rated for Class I/II; 3,500 lb. Load Rating 5/8in (16mm) Pin is Rated for Class III/IV; 10,000 lb. Load Rating Weather Tough® seal and water tight cap protects lock from moisture and dirt 4-pin cylinder for added pick resistance K1 Key Blank BEST USED FOR: OUTDOORS Marine & Offshore Security Trailers, Trucks, & Towing Trailers, Vans & Moving Trucks A towing setup is only as dependable as the lock securing it, and the 2866DAT can handle the pressure. From marine environments to cross-country hauls, this receiver lock covers conditions most others cannot handle. Steel locks from our inventory also pair well with this receiver lock for complete transport security setups. 1st-in-Padlocks carries padlocks, Diskus hardware, hasps, safes, cables, and chains across leading brands. We also offer keyed-alike and custom keying options across our full product lineup. Get in touch with our team to find the right receiver lock configuration for your rig.