Stage Mate SM-OS2 Orchestra Stand Height Adjustment: 36" to 56". Weight: 5.35 lbs. 0.875" Metal Tubing Upper. 1" Metal Tubing Lower. 24" Max Base Spread. Bookplate: 19.5" x 14". Adjustable Tilting Bookplate. Non Slip Rubber Feet. Folds For Easy Transport. Black Finish. Product Weight: 5.2 lbs. Product Dimensions: 47"L x 19.5"W x 4"H.