Pack of 50) AP-10451, 3/4 Inch Two Hole Snap On Pipe Strap for EMT Conduit Installation, Reinforced Rib for Extra Strength, Galvanized Zinc Plated Metal, Tension Clamp for Easy Snap-On - Amazon.com
Oatey 1-1/2 in. Galvanized 2-Hole Pipe Hanger Strap 33500 - The Home Depot