The Wix-made ST9688 was skinny like the 7317, but the new Champion version is the shorter fatter size like the 3593A
Also, the new Champ ST9688 is not an Ecore. It has the metal slotted center tube and the base plate has 5 holes in it.
Also, the new Champ ST9688 is not an Ecore. It has the metal slotted center tube and the base plate has 5 holes in it.