On Stage Subwoofer Crank Up Attachment Shaft

Hand crank adjusts height from 30-42" and folds up compactly when not in use Fits 1 3/8" speakers and subwoofers with included adapter to accept 1 1/2" speakers M20 threading eliminates wobble at subwoofer Perfect for small to mid-size speakers up to 145 pounds International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.