2-pack desktop clamp-on studio monitor speaker stands Sturdy C-clamp attaches onto desk surfaces up to 2" thick 10" x 9.8" top speaker platform with soft EVA-lined surface. Tilt angle adjustable from 0-40° for optimal listening Height adjustable from 10.4"-13.6", supports speakers up to 55 lbs each Ideal for studio monitors, small-sized speakers, projectors, laptops and more