RWO's 3/4 in. (19mm) Large 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 3/4 in. (19mm). It measures 2 1/4 in. x 1 1/8 in. x 3/4 in. (57mm x 28mm x 19mm).