2AK pulleys are manufactured for 2 banded A-Series V-Belts or two single A-Series V-Belts, as well as multiple 3L v-belts, can also be used with these pulleys. 2AK pulleys are commonly known as double AK pulleys and range in diameter from 2.00" to 18.25" but custom ones are also available upon request. Double AK series pulleys are typically used in medium to heavy-duty agricultural and industrial applications. Our double v-belt pulleys are manufactured using state of the art techniques combined with having premium high-performance and high-strength features like using grade 35 cast iron instead of grade 25.