Product Name: Stainless Steel Sanitary Pipe Holders
Types: Sanitary Pipe Holder, Bolt Round Pipe Holder, Hexagon Pipe Holder
Sizes: 1/2–12 Inch, DN15–DN300
Body Material: Stainless Steel SS 304, SS 304L, SS 316, SS 316L (Forged)
Seal Materials: EPDM, Silicone, NBR

Source: https://www.landeepipefitting.com/stainless-steel-pipe-holder-ss-304-304l-316-316l-1-2-12-in.html