This Premier Lock Brass Mortise Door Lock Set keeps your home secure. It includes knobs on the interior and exterior， a double cylinder and it's keyed on the exterior and interior. This lock set is also simple to install yourself.
Heavy-duty construction， precision engineered
Knobs on interior and exterior， no face trim; double cylinder; keyed on exterior and interior
Solid brass cylinder and two keys included with each lock
Compatible parts and dimensions with industry standards
Includes a ball door knob with surface-mounted knob-plate trim
Face plate size: 1 in. x 7-1/16 in. and back set size: 2-1/2 in.; iron gate entry mortise lock
Outer face trim: knob rosette dia. 2-9/16 in.; knob projection 2-3/4 in.; cylinder trim base 2 in.
Inner face trim: knob rosette dia. 2-9/16 in.; knob projection: 2-3/4 in.; cylinder trim base: 2 in.
Mechanism body dimensions: 3-5/8 in. x 5-1/2 in. x 1 in.
Compatible with gate doors with a thickness between 1 to 1-3/4 in.
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