Adjustment Mechanism: The amazing Power Lift mechanism offers instant and effortless height adjustment from 7.5 to 10 feet in infinite increments! Adjusts in seconds with just one hand, allowing players of any age or skill to enjoy the game at their level Steel-Framed Shatterproof Backboard: Virtually unbreakable polycarbonate surface with excellent rebound. Rim: This heavy-duty classically styled rim is built to take a slam! The Slam-It Rim features double-compression springs providing spring-back action and an all-weather net. Pole: 3.5-inch round steel pole with a powder-coated, weather-resistant finish. Heavy-Duty Portable Base: Large portable base can be moved and filled to set up your hoop anywhere.