The Wusthof 4020-7 peeling knife has a 3/4" bolster at the base of the blade. This feature of this Classic Ikon paring knife allows for sharpening an entire blade. This Wusthof Classic is laser-controlled and tested cutting edge. It's birds beak shape makes it unique. The full tang extends through a triple riveted handle. Ergonomically designed high impact plastic handle for a comfortable grip. Easy to sharpen. NSF listed.