DUAL TAPPED COIL FOR SOME MILITARY PIECE OF EQUIPMENT. OUTSIDE COIL MEASURES APX. 2 1/4" IN DIA AND 2" TALL. iNNER COIL IS APPX. 1 3/8" IN DIA. AND 1 1/2 "TALL WITH ONLY TWO TURNS OF WIRE AND IS CENTER TAPPED. TOTAL HEIGHT OF UNIT IS 3'. NICE PROJECT DUAL COIL AND COIL FORM. NEW MIL SURPLUS IN BOX.