RWO's 7/16 in. (11mm) Medium Black Bullseye is one of a full line of bullseyes. It is molded from high load-bearing Acetal resin to provide maximum wear resistance. Its aperture is 7/16 in. (11mm). It measures 1 3/4 in. x 7/8 in. x 1/2 in. (45mm x 22mm x 13mm).