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"5pcs M20/0.78""-m40/1.57""two Hole Strap U Bracket Tube Strap Tension Clips Stainless Steel Heavy Duty Rigid Pipe Strap Clamp For Pipes"
Faster shipping. Better service
https://www.bizrate.co.uk/homehardware/5pcs-m20-0-78-m40-1-57-two-hole-strap-u-oid30757261312.html