Easy Installation: these Irrigation drip support stakes about 13 inch with a barbed inlet on of 1/4 inch, spray tubing OD about 0.250 inch, ID about 0.170 inch; The set comes with 25 pcs jet and stake assemblies, pre assembled, ensuring a user friendly installation process; More that's needed is to insert the stake, adjust the riser height, and connect the 1/4 inch supply tubing to the barbed inlet Complete Circle Winged Style: the style of these irrigation stakes is fully circular winged; This means water is released in a 360 degree spray, providing extensive coverage for your plants; The design also allows for optimal water utilization, thus maintaining sustainable water use Effective Watering: these irrigation supports come rigged such as drip irrigation emitters, and adjustable risers; The jet sprayer and adjustable riser with a 1/4 inch barbed inlet are pre assembled to facilitate a swift installation process of this 360 degree spray micro sprinkler Variable Flow and Radius: the irrigation stakes have the capacity to modify flow rates from 0 to 21.8 GPH, and radius from 0 to 6.0 feet (at 0-20 PSI), depending on your watering needs; Given this range, these stakes can aptly satisfy the needs of a diverse range of plants, making them a more fit for every gardener Package Inclusion: with every purchase, an inclusive package comprising 25 jet and stake assemblies is provided; This thoughtful package ensures that you have enough units for comprehensive coverage, whether for your garden, lawn, or even a greenhouse ASIN B0D479Y1LL Color black Brand Name Yiyiring Style Name Winged Unit Count 25.0 Count Item Length 13 Inches Item Weight 1.85 Pounds Manufacturer Yiyiring Material Type Plastic Number of Pieces 25 Item Dimensions L x W 13.39 L x 5.91 W