PRODUCT DESCRIPTION Safely and conveniently mounts two speaker cabinets. Constructed from steel, this bracket mounts to most standard speaker stand shafts. Features standard 1 3/8" inserts and a black powder coat finish. Recommended use with the LS/SS7770 10-Foot Universal Lighting/Speaker Stand. FROM THE MANUFACTURER Safely and conveniently mounts two speaker cabinets to one speaker stand. Constructed from steel, this bracket mounts to most standard speaker stand shafts. Features standard 1 3/8" inserts and a black powder coat finish. Recommended use with the LS/SS7770 10-Foot Universal Lighting/Speaker Stand.