the edge to edge measurement of the mounting plate is 4 5/16 with a 2 1/4 horizontal measurement from screw hole to screw hole and 3 1/4 diagonally from screw hole to screw hole. Simply install the pole mounts to your speaker or cabinet with you own screws. 3 PACK SPEAKER Cabinet Pole Mount Bracket Base Dj Holder Insert Toddler... This set of two Goldwood Sound GTH-45 black steel speaker pole mounts are perfect for any speaker application. These heavy duty pole mounts allows you to mount any speaker on a speaker stand. Speaker Stands & Accessories Archives - Pulse Studio Speaker Stands Aazon.co: Goldwood Speaker Stand Top Hat 2 Pole Ount Speaker Cabinet Use for speaker cabinet, PA, DJ, karaoke, studio, fixed installation speaker, this listing and price is for 2 pole mounts Cathode ray tube storage hi-res stock photography and images - Alamy These heavy duty steel pole mounts accept a 1 1/2 speaker pole.