One gladhand lock with keys. Helps prevent against unwanted connection of tractor trailers. Made of a highly durable polypropylene compound. Quick, convenient, and easy to install deterrent. Fits most standard, angled, and swinger gladhands. Economical alternative to more expensive metal locks that can rust. Lock comes with 2 matching keys (keys are not available separately). Approximate dimensions = 3 1/4" x 2 1/2” x 2” Approximate net weight = 6 oz