This kit will replace and repair missing horn in the hoof wall. Simply clean and dry the hoof, mix the paste and use the spatula to apply. Once applied, it will set in 10-15 minutes (depending on temperature) and can be used in conjunction with cold shoeing. This product is popular with farriers and advanced DIYers. Good for replacing the missing hoof, repairing minor damage to the hoof wall and filling large cracks and quarter cracks.