On Stage Stand 2nd Tier The design can fit virtually any keyboard stand with a universal mounting attachment, fitting 1" and 30mm round or square tubing. The 4 included 14" support arms feature independent width adjustments to accommodate keyboards, laptops and/or other DJ equipment. The Posi-Lok design adjusts and locks the support arms in 10 degree increments, while the telescoping stabilizer bar adjusts with the width of any stand up to 31". Includes 2 tethered cork style end caps. Fits the following OSS models: OSKS7190, OSKS8190, OSKS7191, OSKS8191, OSKS7390, OSKS8390, OSKS8391, OSKS7290, OSKS8290, OSKS7291, OSKS8291, OSKS7150 Applications: Multiple Keyboards; Mounting laptops and/or other small DJ equipment Mounting: 1" or 30mm round or square tubing Support Arm Length: 14" Height Adj.: Notches at 12", 13.5" and 15" above keyboard stand. Width Adj.: 17.5"- 31" Weight Capacity: 65 lbs. Colour: Black Powder Coat Finish