Are these the right size of axle?

gt-arrowhead

Hi, ive cross threaded my axle and it had to be removed. I no longer have the axle so i dont remember how long it was. I use a 7 speed freewheel and the axle was not Quick Release and i was wondering if any of these would fit. There are difffernt sizes so im not sure which one would do. http://www.ebay.co.uk/itm/Weldtite-Fron ... 58877df63c Thanks

supersonic

Usually 9.5mm for the rear.

gt-arrowhead

so ill go for the 9.5 x 175mm chromo?