Drip Irrigation riser stake with barbed coupling. This flexible, adjustable height, staked riser helps you apply water-saving drip irrigation in more places around your landscaping. Professional grade, adjustable riser on stake extends up to 18 in. above ground to allow for height adjustment as plants grow. Sturdy 8 in. plastic stake performs well in all soil conditions. Accepts Rain Bird and other 10-32 threaded micro watering devices such as bubblers, misters and micro sprays. Simply thread the watering device into the riser and adjust it to the appropriate height. Ideal for taller plants such as shrubs and bushes, excellent for use in flower beds, mass plantings and ground cover where you may require broader coverage.