Progressive 1204BP Brass Powder Coated Finish 12" X 4" Mortise Lock Cylinder Guard Plate. Replaces existing trim. can cover up to a 10" escutcheon. Supplied with 4 each: carriage bolts, cap nuts and washers. Extra heavy steel. Raised bubble covers mortise cylinder and prevents wrenching of cylinder. Also Available in finish Chrome & 1204NYC - Same as #1204 but supplied with carriage bolts and Hex nuts for use with certain NYCHA projects, Please Inquire If Interested.