Heavy-duty construction， precision engineered
Split spindle mortise lock; knobs are not attached to interior or exterior trim; key on exterior and thumb-turn on Interior
Solid brass cylinder， 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 1-1/8 in. x 7-5/8 in.; back set: 2-1/2 in.
Outer face trim: 10 in. x 2-7/8 in.
Inner face trim: 7-1/8 in. x 2-3/8 in.
Mechanism body dimensions: 3-5/8 in. x 5-1/2 in. x 1 in.
Compatible with doors with a thickness between 1-3/8 in. - 2 in.
When printing the drilling template (Installation Guide)， make sure printing preferences are set to print to-size， not print to-fit; print to-fit will alter the template scaling
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