Step into race-proven performance. The Race Pro Skate binding is designed for athletes and competitive racers. Built on the Turnamic(R) Nordic system the binding is compatible with all NNN(R) and Prolink(R) boot soles. The system features easy tool-free fore and aft adjustability for customized performance based on snow conditions while the secure turn-lock design offers confident retention for explosive racing. It is only compatible with the Turnamic(R) IFP plate.Easy to Use Tunable Performance TURNAMIC(R) binding design offers easy on and off plus tool-free adjustment to fine-tune binding position to meet the conditionsQuick Tool-Free Set-UpDouble Lock Slider (race) and Clip Lock Slider systems offer easy installation and adjustment on new IFP binding plateSkate-Specific FlexSkate Flexors offers tool-free replacement for progressive power transfer and better ski control for skating