Amazon.com: (10 Pack) 27-51 MM Worm Gear Hose Clamp, 304 Stainless Steel (1-1/2" To 2") : Industrial & Scientific
Yoshimura Collector Clamp, 51-55mm – Yoshimura R&D of America, Inc
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Pipe Clip, 304 Stainless Steel Sanitary Clamp Accurate Heavy Duty Corrosion Resistance With Wing Nut For Pipeline Type 51,Type 57,Type 60,Type 63,Type 76 - Walmart.com