The Rok-It Subwoofer Pole with M20 Thread is designed for professionals who demand stability and versatility in their sound setups. Built with a rugged steel construction, this subwoofer pole offers long-lasting durability and strength. The optional M20 threading makes it compatible with various subwoofers, while the 1 3/8" ends ensure it fits most standard speakers with ease. Adjustability from 30" to 54" (76.2 - 137.2 cm) allows for flexible height customization, ensuring optimal sound projection. With a weight capacity of up to 100 lb (45.4 kg), this sub pole is built to support heavy speakers securely. The locking pin feature guarantees the pole height stays firmly in place, preventing any accidental slippage during performances or events.