They also have their big cutters on sale for $7.99, normally $19.99:
- For cutting bolts, rods, rivets, bars & chains
- Compound-action, high-carbon alloy-steel head provides more cutting force with less effort
Although I'm pretty sure you need to hand to operate them...
http://www.canadiantire.ca/AST/browse/6/To...lt%2BCutter.jsp