Material - The planer head kit consists of heat-hardened carbide cutting edges and forged toolholders. High strength, high hardness, good wear resistance and high impact resistance. Strong and robust - The coating on the cutter body can better evacuate chips and reduce friction. It is not easy to deform and rust, has good oxidation resistance and strong tear resistance. Ideal for professional woodworking. Widely used - The hard metal cutting edge of the cutter ensures a long service life. Suitable for wood panels, medium density fibreboard, chipboard, compact plywood, etc. Please avoid cutting ferrous metals and other hard materials, steel, iron, etc. High hardness and good wear resistance, which greatly improves the service life. The cutting material has no burrs and the effect of use is perfect. Easy to store - The cutter is equipped with a lightweight plastic storage box, which can store the cutting head when not in use to avoid cuts. Please take good protective measures during operation to prevent wood chips from damaging your eyes. Measure the size manually, there may be an error of 0-5 mm, which is normal. Features: Material: hard metal Colour green Dimensions: Cutter one: 3 x 13 mm / 1.18 x 5.12 inches Two cutters: 4.x20 mm / 1.57x7.87 inches Three cutters: 5x20 mm / 1.97x7.87 inches Four cutters: 6x30 mm / 2.36x11.81in Five cutters: 8 x 30 mm / 3.15 x 11.81 inches Six cutters: 10 x 30 mm / 3.94 x 11.81 inches Seven cutters: 12 x 30 mm / 4.72 x 11.30 inches Plastic box: 9x6x3cm/3.54x2.36x1. 18 inches Contents of package: 7 wood cutters Note: 1. Please avoid cutting ferrous metals and other hard materials, steel, iron, etc. 2. During operation, take appropriate protective measures to prevent wood chips from damaging your eyes.