This music sheet tripod is made of strong steel: 18.5”x 19.7” bookplate 0.79 /2cm deep platform is enough to hold any music sheet or books. Metal spring arm extensions hold music sheets and books securely in place. This music sheet tripod has two Tier Vertical Shafts: tripod height adjustable from 27.56 inches to 53.15 inches through knobs flexible tilting bookplate can be adjusted up to 180° to any proper and comfortable viewing angle as you need New bee sheet music stand is perfect for sitting or standing. Metal tripod support legs with non-slip rubber caps on the foot make this conduct music stand capable of loading heavy capacity up to 4.41lbs/2kg securely and sturdy at any height. With the removable bookplate and collapsible tripod base for superior portability the tripod leg assembly adjusts to tight spaces. It folds flat for storage and the fully collapsed size of the stand is only 17.7 /45cm for easier storage. Package weight 2.2lbs/1kg comes with a carrying bag. Fits schools orchestras choirs church bands and classrooms.