This ring is used to hold the headlamp bulb in place. It is available for 1947-1954 chevrolet & 1962-1972 chevrolet trucks with 7 in. headlamps. The 6 screws need to do both headlamps are listed as a set and are suggested, since many times they are missing. Sold each. Note these do not fit GMC's with dual headlights.
