This double-ended cleaning brush for cleaning acetabular bone reamers has a rounded circular brush head measuring 1 ¾ inches in diameter and a small straight brush measuring 5/16 inch in diameter. The rounded brush head is for cleaning the inside of acetabular reamers, while the straight brush is used for cleaning the individual cutting holes. The brush is made using antimicrobial, medical grade nylon bristles, and is reusable.