[flymo]

Originally Posted by 454697819

Ed,

Not messing around with concrete etc, just go with this..

http://www.hss.com/g/2111/Heavy-Duty...-Avt-110v.html

It will make mincemeat of it in no time the one you selected will do it but you will be looking at an age, and you WILL be board after 10 minutes of it skipping of the surface.

Or this

http://www.speedyhire.com/Tools-&-Eq...-1-10-17-172/#

And wear steel boots and trousers sharp flints WILL hurt.

The first one you picked will be like taking a knife to a gun fight, you'll loose.

a great big +1 to this. If the concrete is particularly hard you'll be there all day with a sledgy, get a decent drill breaker on hire and it will be done in no time.