Flexible Mic Arm Recording: Our extension tube attached the boom extension to mic stand adapter, extend the length of the mic arm or the height of the mic stand, such as for Rode PSA1 Pro boom arm and for Shure SM7B, this can Suitable for RODE PSA1 arm and for SM7B combination, works for a boom arm for Shure SM7B the extra clearance for the cable, increase move range of mic stand, achieve more convenient and flexible recording. Extend Mic Boom Length: Extension tubes extender rod can make each microphone stand extension tube measures approximately 2.15", 4 tubes extending up to 10.3", different extension can be reached by connect different counts of extension tubes. you can swivel the mic 360in any position with no problem woever, making another extension to your mic boom, fits easily for RDE PSA1, extend the length of your mic boom. Mic Stand Desk Adapters Material: Our microphone stand extension rod and metal adapter are made of high quality aluminum alloy, microphone stand extension tubes and a metal adapter is strong and durable, won't break or deform easily. the surface is sandblasted, stylish and chic. Compatible with Most Mic Arm Stands: Desk extender desk extension, the mic stand adapter package comes with 4*Microphone Extension Tubes, 2*3/8 Female to 5/8 Male adapter, 2*5/8 Female to 3/8 Male, can work well with most mic stand, boom arms. Such as easily install for sure S7B profession microphone, adapters filled the gap literally and figuratively. Easy to Install: You just need to screw the extension tube to the boom or mic stand; if you need a metal adapter to accommodate more recording equipment, just screw it directly to the boom or mic stand, no complicated steps required.