Cross-cut chisel for chiseling out narrow grooves and cleaning inner edges octagonal shaft with narrow, wedge-shaped blade, avoid heating up to over 200 °C when sharpening chrome-plated, permanent corrosion protection with subsequently tempered striking head, prevents splintering according to current standards high hardness, ensures exceptional retention of sharpness and long service lives special alloy based on spring steel, hard and tough for long service life laser-marked serial number, lifetメーカー公称