Selling out my stash. New old stock tower clamps. each has some wear from being bulk packaged. Period perfect clamps for your cooling system. Make that flathead "pop" "Wittek" style Murray clamps. Patent date of 1943. 1 1/2" application. measures 2"-1 1/2" real deal Wittek aviation style. measures 1 5/8" to 1". has hole in thumbscew or safety wire. $5.00 set of 2 plus the ride. Specify what style you would like and quantity. When they are gone they are gone.