Mini Skater Black 25/50 Pcs 360 Degree Adjustable Water Flow Irrigation Drippers Sprinklers Watering Drippers on Stake Emitter Drip System with Stylus for 4mm/7mm Tube (25 Pcs) Height of spike: 130mm (5.1") Water exit: Top;Pressure:1-2bar Range:0-50cm;Irrigation angle: 360 degree Water flow can be adjustable Practical, portable and easy to install