about this project Premium Material: The blade is made of SK4 high carbon steel for long-lasting sharpness, harder, more wear-resistant and better toughness than sk5, stainless steel and other materials. Special process: The blade is hardened by high-temperature quenching, and the hardness reaches above HRC62, which can easily cut branches up to 1 inch in diameter according to the tree species. The blades are hard chrome plated for optimal rust and rust protection, reducing friction, increasing smoothness and extending life. Plant Health: The sharp blade can achieve the most precise and sterile clean cutting without harming the plants, which is very important to the health of plants. Safe: The garden shears have a unique operation safety lock, which prevents you from accidentally cutting your fingers and protects the blades when not in use. Comfortable and labor-saving : the garden trimmer handle is made of aviation-grade aluminum alloy, light and durable, ergonomic, non-slip, labor-saving, cushioning and shock-absorbing design, which can better protect healthy hands and wrists, and make you feel more comfortable while working comfortably.