evo.com | Cast Touring Ski Binding Parts > The CAST touring system requires a specific AFC (Anti-Friction Device) for each ISO-standard sole type. The Cast Touring GripWalk AFD is for ISO 23223 GripWalk soles. Get the AFD to Match Your Boot Sole Type ISO 5355 Alpine, ISO 9523 Touring, and ISO 23223 GripWalk each require a specific AFD. The CAST System Requires a Boot with Tech Toe Fittings to Tour Look Pivot(TM) Bindings Not Included System requires Look Pivot(TM) 15 or 18 bindings with CAST-compatible baseplates. Includes 2 AFD Plates AFD Swap Instuctions | Cast Touring GripWalk AFD (Pair) 2024