The SP-100 speaker poles feature an expanding cylinder system that will firmly fit multiple speaker sockets from 3/8" to 1/2" diameter. Air-Powered Series speaker poles from Ultimate Support are incredibly strong, sturdy, lightweight, AND raise and lower speaker poles on their own! The stands in the Air-Powered Series feature an internal shock that lifts speakers weighing 25 lbs. or less with no effort, and only requires one hand to raise speakers weighing more than 25 lbs.
CALIFORNIA PROPOSITION 65 WARNING

WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov.