Upgrade your gardening experience with our 20 - set 180 - degree irrigation sprinkler heads. Each set includes a 13 in. stake and two pieces of 1/4 in. irrigation tubing (7.9 in. and 19.7 in. lengths) with sprinkler heads. The unique 180° nozzle design efficiently uses water, avoiding waste and allowing for precise irrigation. With an adjustable nozzle height from 0 to 7.9 in. it can meet the watering needs of plants of different heights. Made from premium plastic, the tubing can withstand high temperatures, ensuring long - term use under the sun. It's suitable for a wide range of applications, including garden beds, lawns, and potted plants. Simply punch a hole in the main tubing, insert the connector, and fix the PE pipe on the stake. This drip irrigation system is a must - have for any gardening enthusiast, providing an efficient and convenient way to water your plants.