This Prime-Line K 5092 Security Door Mortise Handle Set is constructed of diecast and steel components and comes in a painted black finish. The handles are non-handed and can be used on both left, and right-hand closing security doors. This item includes a keyed-locking cylinder and thumb turn locking hardware. It features a heavy-duty, low profile design with lever handles and a brass plated steel strike as those commonly supplied on wire mesh-type security doors. For a non-keyed, non-locking handle set see Prime-Line part K 5057. This item is used on Academy doors and others. All items as pictured are included, together with installation fasteners. See manufacturer's How-To Video for reversing the latch bolt handing.