The Edwards Portable Net System is the most durable net system on the market. This portable net system is composed of 3" square steel posts with a brass winder and 3 joining bars to span the court. Each post includes wheels for easy portability. This attractive tennis net system is very sturdy and will last for years, making it a very wise investment for your space. You can use any regulation tennis net with this system. Please note that the tennis net must be purchased separately.