SharkBite OD Compression 4 PACK ANGLE STOP 1/2"×3/8" - 1/4 Turn is a set of four polished chrome finished stop valves with a tee shape. These valves are suitable for exterior walls and have an open package. The compression fitting is designed for easy installation without the need for special tools or soldering. The 1/4 turn handle allows for quick and easy shut-off of water supply.