Check the listing for details. Gator Frameworks Standard Subwoofer/Speaker Extender Pole and 20mm Adapter. Color: Black, Condition: New. Listed at 44.99 USD. FeaturesSpace SaverConserves space by easily mounting one loudspeaker to the top of a subwoofer.Adjustable HeightA safety pin is attached to the center height adjustment assembly to maintain the desired height, while also preventing the potential for slips.Reversible DesignThe Frameworks Standard Subpole is reversible to match both 35mm and 38mm speaker mount diameters.M20 AdapterIncludes M20 to 35mm adapter to fit most subsGator Frameworks Standard Subwoofer/Speaker Extender Pole and 20mm Adapter; Fits M20 Threading (GFW-SPK-SP)Gator Frameworks manual-adjustment speaker sub pole supports loudspeakers at ear level to ensure their best performance. The GFW-SPK-SP conserves space by easily mounting one loudspeaker to the top of a subwoofer. A safety pin is attached to the center height adjustment assembly to maintain the desired height, while also preventing the potential for slips. The pole’s height is extendable from 35” to 60” to reach crowds ranging in space from a small club to an average-size house of worship and includes an M20 to 35mm cup adapter to ensure that it fits most subwoofers on the market. The GFW-SPK-SP supports the most popular speakers up to 125 lbs. in weight and is reversible to match both 35mm and 38mm speaker mount diameters.SpecificationsFits: 35mm Mount with 38mm AdapterMin/Max height: 35" - 60"Weight Capacity: 125lbs