1/16" Straight Couplers (4 package)1/16 inch- for air line & 1/2A fuel lineMade from high-density plastic resins, Robart Tubing Couplers are safe to use with air, glow- and gas-fuel systems. The couplers come four pieces per package of either Tees, Elbows, or straight couplers. The couplers a...