Centers: 4", Length: 5-15/16", Width: 9/16", Projection: 1-1/4"Centers: 6", Length: 7-15/16", Width: 9/16", Projection: 1-1/4"Centers: 8", Length: 9-15/16", Width: 9/16", Projection: 1-1/4"Centers: 10", Length: 11-15/16", Width: 9/16", Projection: 1-1/4"Centers: 12", Length: 13-15/16", Width: 9/16", Projection: 1-1/4"Centers: 18", Length: 19-15/16", Width: 9/16", Projection: 1-1/4"Material: Solid BrassIncludes mounting hardware