I have a number of each of these three sizes. Prices don't include shipping.A. 3/4" dia., 4" long, threaded both ends for 10-32. $4 ea.B. 1" dia, 2-1/2" long, threaded for 1/4"-20 $4 ea.C. 1" dia, 8" long, threaded for 1/4"-20 $8 ea. WayneWB4OGM