1. The products 3-arm garden sprinkler main body is brass material. 2. All these items are produced by numerically controlled lathe, it is aesthetic, and could with 1/2NH or 1/2NPT screw thread to use. 3. Theitemmain adapt family and garden spray. the spray area coverage-up to 10 meters 4. Working temperature: -10 12 degree centigrade Working pressure: between 15kpa 1200kpa could normal operational used. 5. Can not appearance deformation, breakage and any using problemaboutthe product's function. 6. The material is brass, it is environmental, and have a very solid structure,not easy to breakage, the serves time generally about 6 10 years. 7. The sprinkler's nozzle have adjust design, could do any spray form through the adjust, it is very convenience.