Machined one-piece brass body provides strength, durability and long-lasting performance;1/2 in. Nom Comp Inlet x 3/8 in. OD Comp Outlet;Compatible with copper piping;For use in potable water distribution systems. Not intended for recirculating water systems that produce continuous use temperatures above 115 Degree F. For those applications, use our KT series ball stops;One-piece shut-off mechanism provides smooth on-off operation;Easy-to-remove handle protects against accidental operation during rough-ins;Smooth, on/off flow control with a 90 degree turn of the handle;Chrome and Brass finish;100% leak tested to ensure reliable, leak-free performance;For indoor use;Temperature rating: 40 Degree to 160 Degree F;Pressure rating: 125 psi maximum