K&M 11925 Stackable Orchestra StandStackable orchestra music stand with infinitely variable height adjustment (friction lock). To adjust the support height, from 750 to 1,280 mm, the tube combination is simply pushed apart or back again. For large, heavy music books weighing more than 2. 5 kg, the height can be additionally secured by tightening the clamping sleeve. The solid polycarbonate music desk is very light and yet impact and scratch resistant. Writing instruments are perfectly