"Purchased to break up part of a wall footing for fence post installation. New chisel has double grind giving a sharp point which was never going to last, just looked good in the packaging. the chisel did the job on the footing but as it's a point I needed to keep the drill (not rotating) running for some time to create the stress cracks needed otherwise it didn't seem to be effective. Hole for fence post done in 15 mins through 6" of footing. Maybe a 25mm wide chisel would have been more effective. Anyway, it did the job. Not sure if the much cheaper Titan chisel would be as good but maybe ?"