Mast Coupler 1.5” 38mm Steel Aerial Satellite Adaptor Pole Joiner 8 Bolt
1 1/2″ (38mm) aerial mast coupler.
With this coupler you can join 2. 38mm (1 1/2″) masts together and secure them tightly with the 10 bolts (5 on either side)
When coupling masts together we would advice you to guy the mast.