The Extreme Trailers Lightboard Arm Knob and 30mm Block in stainless steel are suitable for all Extreme and Indespension Trailers. They are manufactured by Extreme Trailers at their UK facility.
Sold as a pair of arm knobs and threaded blocks
The Extreme Trailers Lightboard Arm Knob and 30mm Block have a heavy duty ergonomic grip
Available in a choice of colour - see variants
M12 x 40mm thread
With 30mm stainless steel block to suit 40mm and 50mm width box section
Knob with 20mm block suitable for 30mm box also available
Block length: 40mm
Block width: 30mm
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