K&M 21445 Ausgleichsadapter, Compensation adapter, Suitable for the following K & M speaker stands (from year of construction 2009): 21435, 21436, 21300, 21302, 24630, 21467, 21463 and 21460, For tripods with foot tube diameter of 35 mm, For leveling bumps, stairs, steps or slopes, Max. Height compensation: