4" Universal Door Knob Spindle

The Hillman Group 4493 10-24 x 3/8-Inch - Slotted Headless Set Screw, 20-Pack

Universal Knob Spindle

Defender Security E 2434 Replacement Spindles, 3/8 in.-20 x 3-1/2 in., Used On Antique Style Door Knob Systems, Pack of 10

Andersen Spindle, 3-3/4 Long, Frenchwood Hinged Door - 2579830

Defender Security E 2499 Door Knob Set with Spindle, Oil Rubbed Bronze,(Pack of 1)

Prime-Line Products E 2459 Prime Line Replacement Door Knob Spindle, For Use With Square Drive Systems, 3-1/2 In L, Zinc

Belwith Products 1132 3-1/2 Inch 7mm Replacement Threaded Spindle for Most Mortise Type Door Knobs (Pack of 2)

4" Standard Threaded Door Knob Spindle. Threaded Spindle.

Defender Security E 2328 Mortise Style Fluted Glass Perfect for Replacing Broken Antique Lock Sets on Interior Doors, Features 2" Outside Diameter Knobs (Chrome Plated)

Defender Security E 2498 Vintage Style Door Knobs w/Satin Nickel Finish, 2-1/4 in. Outside Diameter, Steel