Size---Unstretched Size: 44.5cm/17.5in. Stretched Size: 88cm/34.6in. Inner Aperture: 29mm/1.1in Durable Aluminum Material---The telescopic swimming pole is made of premium aluminum. Our swimming pool telescopic pole is highly firm and not easy to break and deform, which is designed for long lasting. Easy to Use---With simple design, the telescopic pole is very easy touse. Is easy to detach and install. Safety Use---Our swimming pool telescopic pole surface is polished. You do not have to worry about being hurt by the stick. It can be used safely. Practical Professional Tools---Telescopic pole is suitable for connecting various electric brushes and salvage nets for swimming pool cleaning.