We need 100.000 to 150,000 piecs of buckle for sample. inner width :30 mm and 35 mm  metriales: zinc alloy or iron cross metal alloy colour :silver/nickle and block nickle whight : 35 to 38 grams if you have same type buckle (auto spring buckle) pls contact me. we need only auto spring buckle.you don't have this type buckle  sorry don't contact me.