This is an NOS Heater Control Slider Knob, Part # 7295955 for 1967 thru 1972 Chevelle, SS, El Camino, Malibu, 1968 Nova, 1970 thru 1972 Nova, 1968 Camaro, 1970 thru 1972 Camaro, 1970 thru 1972 Impala, BelAir, Biscayne. Sold as each, 1 knob. See Picture