C.A.M.P. Alpinist Pro Anti-Balling Plates Pair. Not compatible with other models. Sold in pairs. Specifications for C.A.M.P. Alpinist Pro Anti-Balling Plates: Manufacturer: C.A.M.P. Additional Features: for Alpinist Pro Crampons Not Compatible w/ Other Models Quantity: Pair Package Contents: C.A.M.P. Alpinist Pro Anti-Balling Plates C.A.M.P. 2526: Alpinist Pro Anti-Balling Plates Pair C.A.M.P. 2526: Alpinist Pro Anti-Balling Plates Pair