Introducing Tectran's Nylon Gladhand Lock -Effective Trailer Protection: This economical gladhand lock is highly effective in preventing unauthorized connections between tractor and trailer units, ensuring added security -Out of Service Units: It's particularly useful for protecting out-of-service units, helping you maintain control over your equipment -Keyed Lock: Each lock is supplied with two keys, providing you with a spare for added convenience -Anti-Theft Note: While it offers enhanced security, please note that it's not intended to be a highly effective anti-theft device -Durable Construction: Crafted from durable glass-filled nylon, this lock is designed to withstand the rigors of regular use Enhance the security of your tractor-trailer connections with Tectran's Nylon Gladhand Lock, a cost-effective solution for preventing unwanted connections and safeguarding your equipment.