General description This GROOFOO Lawn Sprinkler Spike is designed for efficient garden irrigation. Made from high-quality plastic, it is resistant to rust and corrosion, ensuring durability and longevity. The sprinkler features a 1/2 inch internal thread for a tight seal, making it safer than metal alternatives. Its simple structure allows for easy use and compatibility with various sprinklers, enabling multiple irrigation modes. Technical specifications Material: Plastic Product Size: Approx. 19.5 x 7 x 3 cm (7.7 x 2.8 x 1.2 in) Weight: Approx. 270 g (9.5 oz) Thread Size: 1/2 inch internal thread on the upper end, 1/2 inch external thread on the side Usage Suitable for balconies, courtyards, plants, walls, green micro-sprinkler irrigation, and drip irrigation. Can connect multiple ground rods in series for extended coverage. Other information Package includes: 10 x Lawn Sprinkler Spike Base