RSG Chisel Bolster Electrician's 250x33mmUsed to cut masonry products including bricks, concrete blocks, flagstones, sandstone blocks and pavers For making small grooves in one operation For cutting through old electrical components, plaster and brickwork 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 cooling