BUTTERFLY HOSE CLAMPS 9 mm W2 Article: bhc9w2 Clamps with plastic key for manual tightening. Execution options - galvanized and stainless steel. Each batch undergoes multi-stage quality control. Size * - Select -9W2 8-129W2 10-169W2 12-209W2 16-259W2 20-329W2 25-409W2 30-459W2 32-509W2 40-609W2 50-709W2 60-809W2 70-909W2 80-1009W2 90-110