This is a Pair of Anco Style Wiper Blade Insert Refills for Various 1968 thru 1977 GM Vehicles. 1968 thru 1973 Chevelle, also various other years and models, El Camino, Skylark, Cutlass, GTO, Tempest, LeMans, Chevrolet and GMC Pickups. These are for 16" wiper only