Total Trailer Security Keyed Alike - One key opens all five locks. Each lock comes with two keys, for a total of ten keys. PLEASE UNDERSTAND - each lock comes with different looking keys but thay are the same key code. GUARANTEED that all locks will be keyed the same or we will fix the problem at our expense. Multiple 5KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same. Three (3) high security 6230KA padlocks featuring a 5-pin cylinder and boron alloy hardened shackle. Please see images for padlock dimensions. LATCH LOCK FEATURES: This latch/lever lock, model 3KALFBLK is required for the 2-5/16" couplers, it will also work with the 1-7/8" and 2" size. 1-1/2" Long shackle, 1-9/16" (40mm) wide laminated steel body, 9/32" thick hardened steel shackle for extra cut resistance. Coupler lock fits 1-7/8", 2", & 2-5/16" couplers. See the description below for the majority of coupler manufacturers this lock will fit. Complete trailer security needing only one key. This lock combination listing comes with 10 keys. COUPLER LOCK FEATURES: This lock protects unattended trailers and guards against tow-away theft. Fits 1-7/8", 2", & 2-5/16" couplers by Reese, Fulton, Valley, Atwood, Shelby, Putnam, Hammerblow, Dutton, Lainson, and UFP. Advanced locking mechanism resists picking and prying. Simple installation and removal. Resists rust and corrosion. PADLOCK FEATURES: Three (3) heavy duty, high security padlocks. ProSeries Padlocks are designed for Commercial/Industrial applications The dual ball bearing locking mechanism resists pulling and prying. Shackle is 1-1/8" (29mm) tall, 7/16" (11mm) hardened boron alloy shackle for superior cut resistance. Limited Lifetime Warranty. LATCH PADLOCK FEATURES: 1-9/16" (40mm) wide laminated steel body, 9/32" thick hardened steel shackle for extra cut resistance. Thousands of key changes maximize key integrity. Dual Locking levers provide extra pry resistance. Proprietary rustproofing for longer life. HARDENED steel bottom plates for drill resistance.