Resin 1/25 8 LUG TRUCK WHEELS. These are scale 17” wheels. They measure 0.692" in diameter behind the bead. They are 0.246" wide. Comes in a set of 4. These wheels will require a set of wheel backs to install, (sold separately). WB05 wheel backs for T11 and T28. WB08 wheel backs for T18 and T21.