10pcs of 1/2 inch T-Handle Pex Ball Valve is to Shut Off Hot or Cold Water in the Pex Pipes in Water Supply and Distribution Systems. This 1/2" Shut Off PEX Valve is made of DZR Lead-Free Solid Brass by Forging Technic designed for a Minimum Rated Working Pressure of 125psi at 23 °C (73 °F). The Pex Ball Valve is cUPC Certified and is in Compliance with the Standard IAPMO/ANSI Z1157-2014e, NSF61, and NSF372 Which is Suitable for Drink Water and Heating Systems. To open or close this Pex valve only need one space bigger than 2.32-in(L) x 1.97-in(W)x 1.73-in(H). The Valve is compatible with PEX F1807 stainless steel clamp & copper crimp ring to all types of PEX Tubing. but NOT compatible with PEX A Tubing (PEX F1960) expansion crimp ring.100% Checked before Delivery. Sturdy and Open Smoothly.