Pass thru j-box adjustable standard mount. Hollow aluminum shaft [1.0" (25.4mm) outside diameter; 0.875" (22.2mm) inside diameter] with slot for cable pass thru. Knob and tamper-resistant set-screw adjusting options included. 6" (152.4mm) overall length (from base to top of lockring). Black.
See other products in some related categories (click to browse):
Electronics, Computer & Photo > Accessories & Supplies > TV Mounts & Furniture