3/8 inches comp x 1/2 inches fip x 20 inches. Leaf free. For use with water in exposed locations hand tighten and add 1/4 turn. COMP - Compression. FIP - Female iron pipe. This product contains less than 0.25% weighted average lead content an wattled surfaces. Ace Promise: Satisfaction guaranteed. www.acehardware.com. Manufactured in China.