Alarm-Activated Helmet-Style Coupler Locks — Fits: All Coupler Shapes

About this product

Our rattle activated 120dB anti-theft alarm combines remarkable power and intense loudness to effectively deter theft. When activated, this alarm projects its sound up to 500 meters, comparable to a thunderclap or a firework explosion. This powerful auditory signal is highly effective in drawing attention, alerting nearby individuals to potential security issues. The Helmet-Style Trailer Lock, made from premium 304 stainless steel with a full-round protective cap design offers robust security. This unique feature offers an impenetrable defense against sawing, prying, smashing, levering, and other forceful attempts. Enhanced with a hardened steel cylinder, the lock boosts resistance to drilling and shearing. IP67-rated waterproof and corrosion-resistant design for durability in harsh environments. Fits: 1-7/8", 2", 2-5/16" couplers.