Round Glass Blender Jar fits Hamilton Beach Blenders Replaces Hamilton Beach Jar 3310-656 Jar is 8.25" (21cm) Tall Inside Diameter of Jar Top is 5.125" (13cm) Quality Part by Univen Univen 6 cup (48oz) round glass blender jar compatible with Hamilton Beach blenders. Replaces Hamilton Beach glass jar 3310-656. Use with Univen HA-065-BLK lid and Univen HA-050 bottom cap or the original lid and cap. Jar is 8.25" (21cm) tall. The inside diameter of the top of the jar measures 5.125" (13cm). Quality part by Univen.