Mech. Some of the little bits don't tighten and it's no big deal if the clamps have a slot for a screwdriver or screw heads. I've been working on what I needed to do, but I'll be looking for affordable "variety packs" of quality hose clamps.
6 Pack Miahart Adjustable 304 Stainless Steel 4 Inch Hose Clamp Duct 91Mm-114Mm Worm Gear Pipe Clamp For Automotive, Mechanical Agriculture.
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