Hollow core brass doorknobs. Wrought brass. In 5 Finishes: PB, PL, PN, BN, OB. These are hollow solid brass done in the authentic plain style. Sold in pairs with 1 spindle. Will fit doors with thickness in the range of 1″ to 2-1/2″.
2-1/4″ knob diameter
Steel spindle 9/32″ (7 mm) wide , 3/8-20 thread