About this item Products include : 10 Pcs 1/2 inch end plug barbed connectors.Compatible with many types of tubing Measurement :Works perfectly with raindrip# 052010P 1/2″ tube whose outside diameter (OD) is 0.620 in (16mm), internal diameter (ID) is 0.520 in.;Please pay attention to the specifications before purchasing Quick and convenient :These drip irrigation fittings are easy to install without any additional tools.Just push the tube firmly onto the barb and tighten the nut. Locks increases the tightness of the tube and will not leak,which providing effective, lasting and watertight connections for your hose system Application : Our irrigation fittings kit can be widely used in gardens, plant greenhouses, patio vegetable gardens, flower beds, terraces and lawns, and other agricultural irrigation Material :Made of strong and practical hard plastic parts, strong, water resistant,chemical-resistant materials to assure long life