Narex 10mm Corner Chisel #8134Special tool enabling smooth and precise squaring of the corners in the angle of 90 after the mortise has been roughed out by hand or with a machine. Forged polished blade is made of traditional Cr Mn steel and is heat treated to 59 HRc. Ergonomic handle from hard and hefty hornbeam wood is strong enough to withstand heavy blows with a mallet. Combination of the stained hornbeam handle, brass ferrule and imporved grinding of the blade creates unique