SK5 HIGH CARBON STEEL : by SK5 high carbon steel which has a more excellent performance on strength and rigidity.The blade is designed into a curved shape, cutting and rust-proof. It can trimmed tree quickly and not damage the branches. EASY TO INSTALL : Just remove the scissors, and then use the removal tool of the scissors toolbox to replace the new blade with the worn blade.Please pay attention to safety when replacing the blade. LONG SERVICE LIFE: The blades manufactured according to a quality standards from material to finial product, to this replacement blade with efficient performance to cut and fast when using these blades. BLADE lUBRICATION: The of the blade is coated with grease, which can prevent the blade from rust, extend the life of the blade, and easier to use. Color: As shown Material: High-Carbon Steel Package Contents: 6*moving blade+6*fixed blade Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.