ProX - 2 in 1 adjustable speaker pole mount

ProX Deluxe Subwoofer Speaker Pole Mount with 20mm (1 3/8") Adapter, End Mounts to speaker (1 3/8). Pole is adjustable from 25" up to 55" Total HeightDescription ProX X-SPAM20 is an adjustable loudspeaker pole with a M20 thread. Height adjustment is easy just mount to the top of the subwoofer (M20 thread), other end mounts to Speaker (1 3/8") Pole is adjustable from 35" up to 60" total height. All Steel Construction with Built-in Safety Pin and Easy-Grip Tension Knob Height Adjustment. More and more pole mount subwoofers are now equipped with M20 threaded pole mounts instead of a standard 1 3/8" socket cup. A screw attachment provides for no tilt or wobble! The X-SPAM20 is designed for the modern production style of subwoofers as well as the original 1 3/8" pole pockets. Its all-steel shafts telescopes to the height you want, held tight with a friction locking knob backed up by a captive steel security pin. The lower shaft features steel tubing terminated with a threaded lug. The uppe