78 Tank Coil, with taps, silver plated copper tubing, with Delrin mounting bracket. New Old Stock (NOS). Coil has 13 turns (tubing is 3/16 inch). Taps are at turns 2, 5, 6 and 8 from one end. The silver plated copper straps can easily be unsoldered and moved to other turns for use in homebrew amplifier and antenna tuner or antenna projects! Delrin bracket is 8.1 inches long. Copper tubing coil diameter is 2.5 inches OD. Length of coil is 4.75 inches. The 4 straps on the tapped coils are 3.5 inches long, 3/16 inch wide strap.