Butterfly Screw Clamp for 7 / 16" Tubing

This size is appropriate for the 7/16" hose.
This is a time-saving product. Forget about using screws and tools to tighten these clamps, all you need is your hands.
 
8 mm is the minimum opening and 12 mm is the maximum.
Width band:  9mm. 
(6223-1)