Ergonomic designed handles for excellent comfort. The demi-bolster allows you to use the full length of the blade and makes it easier to sharpen. All the knives are perfectly balanced. Each knife is securely stored in either a drawer tray or cut resistant bag. Pressure forged and hand crafted. 16 degree angle on all knife edges. Each blade goes through Cangshan’s exclusive ULTRA 6, six stage heat treatment , ensuring that they will have long lasting durability and superior edge retention. Lifetime warranty through normal use. Every blade is forged from high-carbon, no-stain, surgical German Steel X50CrMoV15.