Chisel / Mortise Chisel Set - 4-pcs by Narex The blade is forged from Cr-Mn steel and heat treated up to 59 HRc The handle is made of dark stained and waxed beech wood with steel ferrule and hoop Robust tool used for chopping out joints as well as cutting mortises. Excellent cutting performance is reached by side tapering in height and lenghtwise from tip to shoulder for sidewall clearance