This is a smaller version of the SDS Max Bosch HS2861 drill with a pointed starting point (HS2861 has a 1 1/8" shank and a self-sharpening tip)."). The photo Revane uses is wrong. Look for the HS 2861. This one, HS1934, is very similar to the HS2861. This bit seems quite difficult to find as two very large tool stores in my area (both large Bosch dealers) did not stock it and should have ordered it. This chisel works very well, cuts through concrete noticeably. Faster than the HS1904 chisel. BUT I have found that when driving over compacted/compacted terrain (e.g. breaking the foundation of an old fence post in the ground) this attachment gets stuck much quicker and more often than a cobblestone. He almost drives in and gets stuck too quickly. If you don't gently pull it up before driving it in and jamming it (which I've done more often than with a sharpened end chisel) you'll have to fight with a hammer (I have a Bosch 11245EVS) to pry it off. Cut smaller pieces, not down the middle, to break off larger pieces (in tight spaces). , as in a hole 18 inches in diameter and 2 feet deep where there is constant pressure on the material as there is nowhere to "break off” or fall off) was more tiring than using a bull. The lack of market displays, advertising (mentioned only in the Bosch catalogue), affordability etc compared to the spiral self-sharpening version of the HS1936 suggests that Bosch would rather buy you this particular model. less likely to get stuck. I have one on the way and will post a sequel when I try this chisel. and separately), this bit works very well and is noticeably faster than a bull point.