Zinc-plated for corrosion resistance. Connects pliable hose to rigid circular pipe. Ideal for automotive and general use applications. Includes sizes 10-16mm, 13-19mm, 18-25mm, 20-32mm and 25-38mm. Handy storage case with compartments. Zinc-plated for corrosion resistance. Connects pliable hose to rigid circular pipe. Ideal for automotive and general use applications. Includes sizes 10-16mm, 13-19mm, 18-25mm, 20-32mm and 25-38mm. Handy storage case with compartments.