... : 6000 pairs 5.port:Tianjin,Ningbo,Shanghai Brass Negative and positive battery terminal with 18mm(+) diameter Description 1.brass plated surface2.weight:80g/pair3.inner dia:18mm4 ... We are specialized in casting battery terminal (copper, zinc, lead, aluminum), crocodile clamp (iron), and hose clamp (stainless steel, carbon steel).. Brass Negative and positive battery terminal with 18mm(+) diameter