Product details:

Can be powered by standard drill; 1-3/8" upper shaft w/ 1.5" adapter sleeve (SSA2SSA2 1-3/8" to 1-1/2" adapter. Fits on 1 3/8" stand for use with speaker cabinets that have 1-1/2" internal brackets. 80 lbs. capacity; aluminum construction. Raise or lower your speaker cabinets using either the removable manual handle on this stand or a power drill. Power drill not included.The aluminum build makes it lightweight and durable
Rubber feet provides better traction on smooth surfaces
Adjust speaker height easily with its crank-up handle