Special tool enabling smooth and precise squaring of the corners in the angle of 90degree;, 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 design of the tool.
 
Size:
Blade length: 120 mm
Blade width: 10 mm
Total length: 265 mm
Handle size: 145 mm x 37 mm