The steel used for the cutting blades guarantees the sharpness necessary for precision sculpting these ergonomically designed chisels can withstand pressure by hand or by mallet the dark varnished hardwood handles are held by a steel ferrule at the tang and are thus protected against loosening or splitting this professional set provides the most modern sculptors chisels total length 220 mm contents 1 x 7 mm wide ground edge inside 1 x 13 mm wide ground edge inside 1 x skew chi