Centers: 4", Length: 4-15/16", Width: 5/16", Projection: 1-3/16"Centers: 6", Length: 6-15/16", Width: 5/16", Projection: 1-3/16"Centers: 8", Length: 8-15/16", Width: 5/16", Projection: 1-3/16"Centers: 10", Length: 10-15/16", Width: 5/16", Projection: 1-3/16"Centers: 12", Length: 12-15/16", Width: 5/16", Projection: 1-3/16"Centers: 18", Length: 18-15/16", Width: 5/16", Projection: 1-3/16"Material: Solid BrassIncludes mounting hardware