Add to Cart Compare Quick view 4 Inch Spanner Reducer From 3/4" to 1/2" Carefree MSRP: Now: $12.25 Was: 4 Inch Spanner, Reducer from 3/4" to 1/2". Fits on 4" center hub wheels. MSRP: Now: $12.25 Was: Add to Cart Compare Quick view