2” to 2” Mast/Pole Coupler AdapterOverview – Our heavy duty mast coupler is designed to link 2 masts together without you having to weld / purchase a custom mast. They do this securely thanks to the 10x 8mm set screws and centre splitting bar that when combined together create a strong fit. This coupler adapter is only designed to hold 2x 2” poles and cannot hold any smaller / larger masts or poles.Technical Details:Manufactured from high grade steelHot dipped galvanised finishConnection A – 2” Mast SocketConnection B – 2” Mast SocketMast Depth – Each mast can be inserted 7.5” (185mm) into each end of the mast coupler.Length – The total length of the Mast Coupler is 15” (380mm)Metal Thickness – 2.5mm.