Zandstra nordic blades are compatible with your skate cross-country ski boots to give you the authentic 'clap-skate feel'! Zandstra makes a model for several different types of ski binding! Great for use on frozen ponds, lakes, canals, or oval tracks. Listed products are ones that we keep in stock. Let us know if there is a product on the Zandstra Catalog that you are interested in that we can order in!