Rainbird Polyflex Stake Rugged 5 in. (12.7 cm) stake for use with PolyFlex Risers Constructed of UV-resistant plastic material Barbed side inlet accepts 1/4 in. Distribution Tubing (XQ) 10-32 threaded outlet permits easy threading of 12 in. (30.5 cm) PolyFlex Riser (PFR-12)