I got a stanley one similar to the one in your link from B&Q for £40. It's huge inside but there is a design fault with the handle. To stop the handle from pulling out all the way there are 2 stoppers located on the inside, they do their job fine until you come to push the handle back, the handle gets stuck on one of the stoppers. I just popped the stopper out with a screwdriver and it all works perfectly well now. No reason not to buy the unit but thought i'd tell you just in case thats the type you wanted.