Sioux Chief Power Barâ„¢ 523-24 bracket features (2) sliding TouchDown clamps used to secure PEX, copper or CPVC piping of sizes 3/4" (7/8" OD) and below, protruding from the wall. Best used together with 630X246 and 630X248 stub out elbows and works with regular 1/2" PEX and copper pipe.