Harger GBIP14412TMGB 1/4″ X 4″ X 12″ TMGB Hole Pattern 36 Holes Grounding Bar Harger GBIP14412TMGB 1/4" X 4" X 12" TMGB Hole Pattern 36 Holes Grounding Bar Electrolytic Tough Pitch Copper Alloy12-5/16" & 6-7/16" Holes - we have 1 of these TMGB hole pattern grounding bars available with Free Shipping. byJuly 4, 2026