On-Stage EB9760 Exterior Mounting Bracket Our EB9760 Exterior Mounting Bracket provides a pole-mount socket for a speaker while eliminating the need for a large cabinet cutout. Its nonslip socket-tightening mechanism provides exceptional stability. General Features: Provides a pole-mount socket for a speaker—no need for a large cabinet cutout Socket-tightening knob provides stability for precise, reliable speaker placement Includes mounting screws for proper installation Product Properties: Application Mounting 1 3/8" speaker cabinet Color Black Construction Heavy-duty plastic Dimensions 7" x 4.5" Mounting Options (4) 1/4" holes (mounting hardware included) Product Type Speaker Stand Accessory Warning: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.