Front replacement fasteners allow use of all types of Petzl crampons with narrow shoes with front overhang. Features of Petzl Fil Small: Weight: 30 gCrampon compatibility: Leopard FL/LLF, Irvis Hybrid, Irvis, Vasak, Sarken, Dart and Lynx This description is an automatic translation. Please contact us if you have any further questions. Crampon accessorie Petzl ---Fil Small