Rennsteig Mason's Chisel Octagonal 300mm 350300CUsed to cut masonry products including bricks, concrete blocks, flagstones, sandstone blocks and pavers For making breakthroughs into walls or cutting into walls for pipes or cable. Conical shape prevents chisel from sticking Rennsteig Chisels are made of hardened chrome vanadium steel Forged, quenched and tempered as a whole to guarantee a good resiliency and long service life. Work worn cutting edges are regrindable in short intervals, Ensure water