Shug Couplers and Grooved Couplers are typically found in manure applications, irrigation, oil & gas (fracking) and high volume water transfer. These high-quality Shug/Grooved Couplers are made in Canada with a multi-segmented collar design, making them easy to install, field repairable and re-attachable. They are available in plain aluminum, type III hard anodized and Stainless Steel in limited sizes. Shug Couplers and Grooved Couplers are available from 4" to 12" with replacement parts available.