The Hex-Base Studio Boom is the new standard by which others will be judged. It is equipped with 2 straight boom shafts for studio, project, or live work. The short boom is removable, while the primary boom arm slides effortlessly through the 1" square housing and locks with a tension knob. Boom angle adjusts with a 40-tooth clutch. The 17lb. patented base is a step above the rest as it provides a low center of gravity, giving it stability even when moved. Includes removable casters. Top-of-the-line hex-base studio microphone stand made from heavy-duty materials and built to last Extra long telescoping boom w/ solid steel counterweight and midpoint breakapart boom arm with 5/8"-27 threads allow you to attach the 7" mini-boom at shortened boom length 17 pound cast iron hex-shaped embossed base with removable casters provides a low center of gravity, giving it stability even when moved Solid steel machined lug with M20 threading provides an excellent combination of fast assembly and secure connection, while extending thread wear far beyond fine-thread designs 3 Shaft Design allows height adjustments from 40" to 82"