... on" edge", Rounded corners at both "step on" front side of cutter Steel qualit 183406Hammersmith lacquer greyWith "step on" edge"Rounded ... steel,950 N / mm,Density/hardness: 800 950 N / mm,Weight of blade: 490 - 500 g / piecesSteel thicknessr 2,3 mm after ... lacqueringone side sharpened to 0,7 mmHeight of sharpening edge I mmScrew opening at socket 4 mmSocket opening ...