Couplings    Air Terminal Base Code Thread Size JRCN-58 5/8" JRCN-34 3/4" Code Rod Dia Thread Dia Max. Cond. JATB 15 mm 16 mm 25 mm     Couplings Hexagonal    Vice Clamp Code Thread Size JRCH-58 5/8" JRCH-34 3/4" Code Wire Dia Size Conductor JV-01 0.438 - 0.229 2/0 str -3 sol