Marks USA KRW10-3 Polished Brass US3 Heavy Insert Round Knob Ball Assembly For Thru Bolted Mortise Lock Sets, specially designed as replacement knobs for the Marks# 7RW10, 9RW10, 5RW10, 55RW10, 22AC Iron Gate door lock, and most through bolted mortise lock sets. Each spring loaded spindle is 9/32" square, and the mounting screws are included for doors 1-3/4" thick. Knob and rose are per-assembled, packed one pair per box.
- Type: Heavy Insert Round Knob Ball Assembly
- Finish: Polished Brass US3
- Mounting: Thru Bolted
- Compatibility: Marks# 7RW10, 9RW10, 5RW10, 55RW10, & most through bolted mortise locks like the 22AC
- Spindle: 9/32" square
- Door Thickness: 1-3/4"