This bundle includes three Ludwig Atlas Pro Boom Cymbal Stands. 

• Aerodyne Tilter: A gearless, dual-axis rotating positioning system that easily places cymbals securely at any angle and keeps them locked where you need them to be. 
• 12mm Convertible Straight/Boom Tilter with Memory Lock: Converts from a boom to a straight stand with a single wing-nut, and features a hinged memory lock for repeatable setups. 
• Vice-Grip tube joint with integrated memory lock: Fully wrapped around the clamped tube, the new Atlas tube joint clamp delivers a rock-solid grip, with minimal stress to the support tubing. 
• Tripod Memory lock: For repeatable setups 3-Tier construction: For compact storage and large height adjustment range Vibration Reducing Rubber Feet 
• Nylon lined tubing: Eliminates stand noise and secure stability. 
• 1.25/1/.75" Tier Tubing: For solid stability and night-after-night durability.