Jones Stephens H24D850 ½ to ¾” Dual Clamps, Bucket of 850Jones Stephens H24D850 Make your hanging pipe installation neat and prevent sagging with Dual Clamps from Jones Stephens. These clamps fit both and tubing, allowing you to use only one clamp for two sizes. They come preloaded with a nail for copper, CVPC, and PEX pipe. Jones Stephens dual clamps are durable withstanding temperatures as low as 0 degrees Fahrenheit and as high as 160 degrees Fahrenheit. They are quality tested to the highest standards