This Westbrass angle stop shut off valve with lever handle is the perfect compliment for sinks and toilets. It uses a 5/8 inch compression inlet (For 1/2 inch copper pipe) with a 3/8 inch OD Compression outlet with nut and ferrule. The valve uses 1/4-turn closure for a positive seal. Available in a variety of stylish finishes, this item is sure to complement your existing fixtures. Westbrass Fine Decorative Plumbing since 1935.