a good fit would be a block with 35 mm length but more thickness, brass would be nice. The only one I found is for a Floyd Rose, there are some nice ones, but are completely different from a Squier..
http://www.ebay.com/itm/Genuine-Origina ... 0776350340
please post the dimensions of your blocks!
![Image](http://img525.imageshack.us/img525/6606/foto0153.png)
![Image](http://img233.imageshack.us/img233/4921/foto0155g.jpg)