These Trimark style door locks are made by Fastec Industrial Corp. and have a built in deadbolt. This provides that extra sense of security for your trailer. They come in chrome, white and black (shown). This model is designed for travel trailers, yet works well with cargo haulers, horse trailers or custom utility trailers. These locks fit door thicknesses from 1-1/4 inches to 1-1/2 inches. They are made from durable zinc die cast metal. You can choose from textured chrome or powder coated paint finish (black or white). Includes door edge cover plate, strike plate and mounting screws and they come one per box.