The steel-aluminum design on this affordable speaker stand makes it both lightweight and durable. Use either the 1-3/8” diameter upper shaft or the included 1 1/2” adapter sleeve for a universal fit. Specifications: Applications: Mid-size speakers Upper Shaft Tubing: 1-3/8” Weight Capacity: 160 lbs. Height Adj.: 44-80” Base Spread: 32-48” Construction: Steel and aluminum Color: Black Powder Coat Finish