High quality: Made of high quality manganese steel alloy, high intensity, strong tenacity and wearability. Small indented: Remove branches by leaving a small indented that that heals with little or no scar. Spherical concave surface: Creates a spherical removal in a hollow concave shape that will heal with the least visible scaring and thus create a more pleasing aesthetic. Ideal choice: Ideal for removing small branches, protrusions and knobs by cutting into the wood at a concave angle. Professional design: professional design, ergonomics, gives you a comfortable hold and allowing continuous use without fatigue.