14 Heller Black Master Rasp One K CCS Vent Stripe Rail Cleans and nourishes the leather Cleans and nourishes the leather fibre with a unique deep penetrating effect without making the leather greasy Made of hardened steel these are tough and also very durable The Master differs from the Red Tang through the addition of an extra coating that ensures the material 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