Deluxe Indoor Aluminum Tennis System is a smaller version of the GARED® volleyball system and is ideal for multi-sport facilities • 4” O.D. uprights are constructed of a strong, yet lightweight anodized extruded aluminum for superior support and long life • Easy-to-operate ratchet winch sets net tension • Exclusive wedge lock holds sliding rail system securely • Use GSTNET30LS tennis net; net sold separately.