Add height to the emitter in your drip system using the 8 in. Sprinkler Stake with 4 in. Riser. Fits a low-flow sprinkler, sprayer, or jet with a 1/4 in. barbed inlet or 10-32 threaded inlet on top of the riser. The riser sits on top of the sprinkler stake, where a barbed inlet fits 1/4 in. supply tubing. Position stake to provide convenient overhead watering to your plants. Your hand-watering days are over! The riser is made of polyethylene and the stake is made of acrylonitrile butadiene styrene (ABS), both treated with UV inhibitors.