Univen replacement drink mixer shaft compatible with select Hamilton Beach drink mixers and milkshake makers. Ideal for replacing a bent, damaged, or worn mixing shaft to help restore proper operation. There are some variations of the same model numbers. This shaft fits models that have pins on the shaft, not ears.Compatible with Hamilton Beach DrinkMaster drink mixer models 727B, 727W, 729, 730C and 750RC. Compatible with Hamilton Beach mixing shaft part number 990010200. Measures 5.6" (14.3cm) in length. Shaft is 0.22" (5.5mm) in diameter.Quality part by Univen, a family owned American business.