Stainless Steel material, 2 Hole design, 6mm mount holes diameter, rigid conduit Pipe Strap clip clamp.Fit for 50mm diameter pipe/tube, Screw mount, but the screws are not include here.Product Name : Pipe StrapMounted Hole Dia : 6mm/ 0.24inchMount Hole Center Distance : 78mm/ 3inchFit Pipe Dia. : M50, 50mm/ 2inchTotal Size : 90 x 19 x 50mm/ 3.5 x 0.75 x 2 inch (L*W*H)Material : Stainless SteelColor : SilverNet Weight : 69gPackage Content : 5 x Pipe StrapsNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.