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