za060 vs za007 urethral

Hi i cant decide between these two http://www.ebay.co.uk/itm/Fetish-Bondage-Male-Chastity-Belt-Chastity-Device-CBT-Urethral-Tube-ZA060-/171866859039?hash=item280410261f:g:DEsAAOSwPcVVr78C - i really like the look of this one wiuth the rigid sound but 130mm long rod is that not to big and will...