Check the listing for details. Sound Town Subwoofer/Speaker Extender Poles, M20 Threading, Black STSD-M20B-PAIR. Color: Black, Condition: New. Listed at 28.04 USD. Untitled Document STSD-M20B-PAIR Sound Town 2-pack Subwoofer/Speaker Extender Poles, Fits M20 Threading, Black The Sound Town STSD-M20B-PAIR includes two STSD-M20B poles. The STSD-M20B is a sturdy subwoofer / speaker extended pole, which is designed to fit the 1 3/8” (35mm) pole mounts as well as M20 threading. It comes with rugged and sturdy steel construction and make your PA system setup a breeze. This subwoofer/speaker extended pole is optimized for the Sound Town CARME series subwoofers and PA speakers and is also compatible with any speakers that come with 35mm and M20 mounting. Features The combo set includes two STSD-M20B subwoofer/speaker extender poles Compact cylinder design Sturdy steel construction Easy one hand operation 110 lbs. maximum weight capacity per pole Dimensions & Weight Package Weight 2.6 Ibs Package Dimensions 20.5 x 3.2 x 1.6" (inches) Warranty/Certifications Manufacturer Warranty 1 Year Contact Us We can be contacted at any time through eBay messages if you have any questions, comments or product requests. We will respond to you as soon as possible and do our best to help you out! We encourage our customers to contact us with any questions or concerns!