Dollhouse Miniature 1:12 Scale Door Knobs, Threaded - 6 pairs This dollhouse miniature set of gold finish threaded door knobs is enough to finish both sides of 6 doors. Drill a 1/16" to 1/8" hole through the door at desired height, insert the threaded rod, and screw a door knob onto both sides. Your knobs will be at the same height on each side as long as hole is drilled straight!! Set consists of 12 knobs and 6 threaded rods. Dimensions: Knobs, ea: 3/16" diameter at widest point x 1/4"L, Threaded rod, ea: 1/16" diameter x 7/16"L 1" to 1'. 1:12 Scale. This is sized for a dollhouse.