Polished Brass Rim Lock & CoverRim locks are fitted to the surface of the door rather than being morticed in, along with a surface mounted keep that should be fitted to the door frame. Rim locks are generally easier to use and provide a more refined look to the door. From the Anvil Polished Brass Rim Lock & Cover is a classic style rim lock. The polished brass finish gives it a more luxurious feel and is ideal for period properties. This classic design looks beautiful when fitted