About This FAST AND EASY INSTALL: SharkBite Max push-to-connect brass push couplings are perfect for making easy connections between same-sized PEX, copper, CPVC, PE-RT and SDR-9 HDPE pipes in any combination. No need for soldering, glue, or additional tools; pipe connector can be installed in wet lines NO PEX TUBE LINER: With no PEX pipe tube liner required, SharkBite Max plumbing fittings eliminate flow restriction when used on Copper/CPVC STRONG AND DURABLE: The reinforced stainless steel collar locks in the cartridge and provides additional strength for 50 percent reduction in insertion force SAFE: Straight coupling is made of high-quality forged DZR brass with reinforced stainless steel that is engineered for potable water systems; all SharkBite pipe fittings meet the same standards for commercial and residential plumbing applications CERTIFIED: Pushfit couplers are rated to 200 degrees F and 400 PSI with 2K maximum burst; Assembled in the USA Overview Size : 3/4 in., 12 Pack Material : Brass Brand : SharkBite Color : Brass Item dimensions L x W x H : 1.57 x 8.07 x 0.1 inches Connector Type : Coupling Thread Size : 0.75 inch Exterior Finish : Brass Item Weight : 1.9 Pounds Number of Pieces : 12