The Heller Black Legend is a rasp with a larger tooth angle. This makes this rasp good for for softer, damper horn structures. The Black Legend differs from the Heller Legend by the addition of an extra coating that ensures rasped horn is released from the rasp more easily and makes it more wear resistant.
This rasp is suitable for many horses and particularly those that spend a lot of time outside where the hooves accumulate sand and mud that can have a negative impact on the wear process of rasps. The file side of the Heller rasp is sharp, enabling efficient removal of material.