Ulmia is the premier manufacturer of hand tools for woodworking in Germany. The highest quality materials and workmanship are evident in every tool Ulmia produces. The 20mm (3/4″) Gouge has a blade length (cutting edge to collar) of 130mm (5 1/8″) and an overall length of 267mm (10 1/2″). Bevel is ground at 27.5 degrees. Blade is made from Chrome-Vanadium Steel with a hardness of 58 Rockwell.