LASCO 06-9211PB Angle Stop, Quarter Turn with 5/8-Inch OD Compression x 3/8-Inch OD Compression, Polished Brass Sink/toilet 1/4 turn water supply angle valve Lead free polished brass finish Lead free approved product in all states,Used to connect water supply to sink or toilet 5/8 inch compression x 3/8 inch compression 1/4 Turn water Valve,5/8 OD-1/2" Copper Pipe to 3/8" Comp. Water Line.