Japan AUS-8 Steel Imported, Made in Japan [ Commercial Grade Japanese Steel ]: The TONMA heavy duty hori-hori garden knife is made of Japanese AUS-8 stainless steel (HRC: 58±1), combined with the quenching process of traditional Japanese knife forging, the hori weeding & digging knife has the best hardness, wear resistance and sharpness. Rust-proof, break-resistant and lasting. [ Professional Garden Knife ]: The hori hori garden knife features a 7.2 inch blade that is concave in shape. One side is beveled sharp for slicing and the other side is serrated for cutting. Engraved inch markers on the blade allow you to plant seeds at the correct depth with precision. It is used for weeding, seeding, transferring bulbs, digging the perfect hole and cutting branches. [ All Purpose Hori-Hori Knife ]: The Hori-Hori knife is a must-have gardening hand tool for multiple tasks in the garden: digging, cutting, transplanting, dividing, weeding, planting, sawing, scooping, separating, sp