Trimark Style Door Lock for Travel Trailers 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. 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.   Choose from:   *313611 - Textured Chrome (Shown Above) *313612 - Black *313610 - White   *Includes door edge cover plate, strike plate and mounting screws and they come one per box.