This special 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. The Forged polished blade is made of traditional Cr-Mn steel and is heat treated to 59 HRc. The 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 design of the tool. Blade length: 120 mm Blade width: 10 mm Total length: 265 mm Handle size: 145 mm x 37 mm