Rubber coated clips that attach to the passenger's side shock tower brace and hold part of the gauge feed wiring.
Convertibles with power tops after Feb. 1965 use a total of 4 (2 extra for the power top feed-see photo under more images.)
These are also used to hold wiring in 1965 and 1966 Mustang Fastbacks and Shelbys in trunk below rear window.
Ford part number is 372303-S
These are sold in a set of 2.