8 Nut Universal Mast Clamp.
Used for clamping to poles together at 90^o i.e. for clamping a dipole stub mast to the main mast or can be used in pairs for clamping 2 poles together vertically.
Will clamp the same or different sized poles from 25 - 50mm Galvenized brackets. As you would expect this is a heavy duty item.