About This FAST AND EASY INSTALL: SharkBite Max push-to-connect brass pipe connectors are perfect for making easy connections between two pieces of PEX, copper, CPVC, PE-RT and SDR-9 HDPE pipe 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: Straight coupling features a reinforced stainless steel collar which locks in the cartridge and provides additional strength for 50 percent reduction in insertion force LEAD FREE: Straight coupler is made of high-quality forged DZR brass with reinforced stainless steel that is lead free; all SharkBite pipe fittings meet the same standards for commercial and residential plumbing applications CERTIFIED: Water service coupling is rated to 200 degrees F and 400 PSI with 2K maximum burst Overview Size : 1/2 in., 4 Pack Material : Brass Brand : SharkBite Color : Brass Item dimensions L x W x H : 2.07 x 1.01 x 1.01 inches Connector Type : Coupling Thread Size : 0.5 inch Exterior Finish : Brass Thread Type : NPT Number of Pieces : 4