Description N5, N6, N7 Zico Standard Spring Clips Our standard clip with a black thermoplastic coating. Ideal for low to moderate use. Sizes Available: Model N-5: For use with 5.3″ – 5.8″ diameter cylinders (134-147mm) Model N-6: For use with 6.1″ – 6.9″ diameter cylinders (155-175mm) Model N-7: For use with 7.1″ – 7.4″ diameter cylinders (180-188mm)
