ENTIRE BLADE DESIGN Turning chisels are made of high speed steel (HSS) and feature a sharp cutting edge and fine grinding. Durable and precise design. Our entire shaft has been heat treated and can be used after grinding. This knife is arc-shaped milled with a 10mm round bar CNC milling machine. 8 chisel set. The total length of the chisels is about 41cm (16.14in). In). The turning tool includes 8 essential chisels: 1/4" (6mm) cutting tool, 9/11 (11mm) jaw scraper, 9/10" (22mm) skew chisel, 7" skew chisel /25" (7mm), 4/ 25" (4mm) rounded scraper, 1/4" (6mm) pin chisel, roughing chisel, 7/25" (7mm) roughing chisel. A free 1/2" (12mm) chisel for you. The blades are approximately 17.5 cm long and 6.5 to 7 mm thick. COPPER SAFETY SLEEVE The blades are made of high speed steel (HSS) and are firmly connected to the handle by durable brass tips, which facilitates the safety and reliability of the chisels. Reliable handles made of solid wood (red eucalyptus wood) provide more comfort when