Stryi Co. represents wood carving gouges in #5, #7, #8, #9 radial profiles: #5 - very slight radial bend, #7 - slight radial bend, #8 - medium radial bend, #9 - accurate round bend, so professionals carvers and beginners can choose needed wood carving tools. The hand gouges #9 radial profile are must have carving tools. The rounded chisel are used for patterns, relief and deep carving tasks. The woodworking gouges are used for shaping recesses and raised surfaces, for instance folds. Main peculiarity of the wood carving tool is professionally hardened, sharpened and polished blade, so it goes through cuts easy. Good for soft and hard wood. BLADE MATERIAL of the straight gouge - chromium contained carbon steel W 108. The steel is hardened to 60-62 Hrc, the blade is razor sharpened, so be careful during woodcarving. Hardened high carbon, chromium containing low alloy steel has perfectly balanced properties for producing wood carving and cutting tools. It's high strength, wear resistant steel, which keeps sharpening for a long time of use. HANDLE MATERIAL of the carving gouge - polished and stained with linseed oil oak wood. DIMENSIONS: Blade cutting part width - 0.6" (15 mm) Metal thickness - 0.08" (2 mm) Blade length - 3.93" (10 cm) Handle length - 4.72" (12 cm) Weight – 0.15 lbs (70 g).