Features: This irrigation fittings are engineering plastic, which is durable, strong, water resistant. It also can be use for long for time. Comes with 100 pieces barbed connector fittings, all of them are black tube end plug, They are nice irrigation parts set for watering systems. It is simply to secure and install without tool or clamps. You can just push the tubing firmly over the barbs for a tight fit so that it won'for t leak. The size is assortment of most commonly 4/7 fittings. You can use these irrigation fittings to your connection 4/7 irrigation tubing. It can be used for raised garden, residential, farm, gardening and agricultural watering. Specifications: Component:Plastic Color: Black Size: Approx. 12x11x7 mm/ 0.47x0.43x0.28 inches Package Includes: 100Pc Garden Hose Plug note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.