The 56MM-MMB1 is a medium-duty, glass-filled, nylon, two-way adjustable knuckle mount for marine radio and cellular antennas to mount vertical, horizontal or inclined surfaces. MMB1's constructed from glass-filled nylon with a stainless steel bolt for adjustment and tension.
View More Cellular and 2-Way Radio
|Height Inclusive Thread||152mm|
|Height Exclusive Thread||128mm|
|Mounting Screw Holes||74.5x48x7mm|