Replacement Spoke Hand Wheel Fit Singer Sewing machine Model 15, 28, 66, 99
-Replacement spoke hand wheel.
-Hand wheel fits a 20 mm shaft.
-Diameter of hand wheel is about 5 1/2".
-Diameter of pulley is about 2 5/8".
-These are not the best quality but they do work to convert over to a hand crank.