Quiklok A514-BK Professional Microphone Stand Featuring Heavy-Duty Cast-Alloy Tripod Base500 Series stands feature newly designed cast alloy tripod leg base, incorporating an innovative locking system, that increases the clamping surface, ensuring maximum stability and reliability, as demanded by professional musicians. Manufactured using heavy duty steel tubing and high grade hardware. Modern and contemporary all metal boom swivel ensures fast, smooth, non slip angle and height adjustments. Knobs on boom swivel are ergonomically designed