Sharp carbide runners help your sled “bite” into snow pack and ice, improving control and handling and offering greater precision through the corners. This sharpening tool from BiteHarder is made of superior quality diamond media to keep your runners sharp longer. The portable design means that you can sharpen your carbide runners anywhere, whether on the side of a trail or in the garage. All you need is a cordless drill. Cost is $64.95.
More info: www.biteharder.com