SUPERIOR DURABILITY - Crafted from robust steel and a round cast-iron base, this speaker stand ensures long-lasting stability and reliability for your valuable audio equipment. ENHANCED STABILITY - The 17.71' base diameter provides a solid foundation, minimizing the risk of tipping, even with speakers weighing up to 77.09 lbs (34.96kg). ADJUSTABLE HEIGHT - Customize your soundstage with a height range of 37.40 to 56.29 inches (949 - 1429.7mm), secured by a locking screw and safety pin for added safety. HIGH LOAD CAPACITY - Confidently support speakers up to 77.09 lb (34.96kg), making it ideal for a wide range of home theater and professional audio setups, providing secure support.