These stainless steel spherical knob cutter is a highly precise cutting tool designed for fine cuts. The spherical blades provide the perfect balance of strength and precision, allowing for a clean "biting action" into the material. These cutters are specifically designed to cut effortlessly through trunks and branches, making them ideal for reducing knobs, lumps, or branch stubs. The spherical cutter head ensures a precise cut while minimizing damage to the surrounding area. Overall, the spherical blades create a very durable and effective tool.