Master Lock 3 Keyed Alike Universal Trailer Coupler Locks 379KA3

This is a set of 3 Keyed Alike trailer couplertongue locks and is ideal when needing multiple locks that utilize ONLY one key The same key opens all three locks Each lock comes with two keys therefore you will receive a total of six keys with the purchase of this 3 pack Limited Lifetime warranty ATTENTION If you order two 3packs they will NOT necessarily be keyed the same To ensure you get two 3packs keyed alike you must order the 6pack These locks protects unattended trailers and guards against towaway theft The universal trailer coupler lock fits 178in 48mm 2in 51mm and most 2516in 59mm couplers by Reese Fulton Valley Atwood Shelby Putnam Hammerblow Dutton Lainson and UFP This simple design is difficult to defeat because when its locked on the trailer the lock rests on top of the coupler see image thus thwarting blunt force from downward hammer strikes It also rotates less rigidity making it harder to break with sledge hammer force Rekeyable cylinder for keyed alike convenience with an advanced locking mechanism that resists picking and prying Each lock weighs 24 lbs and is simple to install and remove Made with Reinforced Zinc DieCast resists rust and corrosion Few materials provide the strength and toughness of zinc alloys Impact resistance is significantly higher than cast aluminium alloys plastics and grey cast iron Zinc alloys offer high strengths to 60000 psi and superior elongation for strong designs and formability for bending crimping and riveting operations