Ratchet Clamp 20mm
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These Ratchet Clamps fit over the end of 20mmPolytube and clamp it to a fitting which has been pushed into it. Just slip the clamp over the tube / hosepipe and squeeze, the clamp tightens and makes for a water-tight joint. Gentle plier pressure can be used. It performs the same function as a hose clip, but can be applied after assembly.