12 Pieces locked valve fittings: This package comes with twelve 1/2inch barbed anti-leak straight valve fittings uniquely designed for drip irrigation tubing. They allow for precision water flow control to individual plants, or container gardening. Compatible with any 1/2inch tubing that has an outer diameter under 0.650inch OD. Not suitable for generic 1/2inch polytubing with a 0.600inch Inner Diameter. Universal 1/2 inch drip tubing connectors: Our connectors are perfect for 1/2 inch irrigation tubing. The connectors are versatile, allowing for repairs, extensions, and connections of 1/2-in vinyl or 1/2-in in-line drip tubing. (1/2inch ID x 0.640inch OD). Please check your tubing before purchasing for perfect fit. High-impact, construction: The irrigation hose in-line ball valve parts are made from UV-resistant materials to extended and reliable operation even in harsh weather conditions. -piece construction adds extra strength and durability for long-term use. Easy installation, leak-proof design: The sharp-barbed design ensures a super-tight connection with a simple twist lock system. The larger body and tapered ends make handling and installation easy. The anti-leak locking system ensures that the pipe fits tightly to the fitting, minimizing leaks and preventing high-pressure blowouts. Wide-ranging applications: This fitting is perfect for creating a personalized layout for your planting area in a drip or micro-type sprinkler system. It's perfect for raised garden beds, ground covers, shrubs, perennial plants, greenhouses, patios, lawns, and other agricultural watering systems. Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Colour:Black & Red Material:Plastic Package Contents: 12 * Drip Irrigation Valve Fittings Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.