C.A.M.P. Alpinist Automatic Heel Bail. Sold in pairs. Specifications for C.A.M.P. Alpinist Automatic Heel Bails: Manufacturer: C.A.M.P. Color: Orange Package Contents: C.A.M.P. Alpinist Automatic Heel Bails C.A.M.P. 2683: Alpinist Automatic Heel Bail C.A.M.P. 2683: Alpinist Automatic Heel Bail