Clio 197 right hand driveshaft

I am looking to replace the right driveshaft (the long one) of my clio 197. The shaft has 2 segments, the side at the Wheel has a thickness of +-40mm. I ordered a new shaft and the one i got with the same segment has a thickness of +-20mm. Is this normaal that a refurbished one has a thinner shaft thickness?