Description 13.5" Disc Opener Assembly - 2/box. Universal, fits Tye, Great Plains, CrustBuster & others. Includes 2x TY647H assemblies, 2 dust caps, 1 RH bolt, 1 LH bolt and 4 shims per box. Sold by the box. This item is a suitable alternative for the following: 845-B453194, B45-3194, KK255M, KK254M