Pro Boat Motor Coupler 4mm/5mm Front Arms The cooler mesh on the

The cooler mesh on the roof has a detailed engraving expression

Walthers Proto MAX(TM) couplers are an easy upgrade for old or new equipment and provide magnetic uncoupling action

It was retired from active service in March 1944

24 and 25T splines

Contain metal etch parts

Pro Boat Motor Coupler 4mm/5mm Front Arms The cooler mesh on thePro Boat Motor Coupler 5mm (Motor) 4mm (Flexshaft) is a genuine Pro Boat drivetrain replacement part for selected UL 19 and Veles 29 brushless RC boats. The coupler joins a 5mm motor shaft to a 4mm flex shaft, making it a direct standard replacement where Pro Boat specifies part PRB286008. Brand: Pro Boat Part number: PRB286008 Part type: Motor coupler Motor shaft: 5mm Flex shaft: 4mm Fitment: Standard replacement part Compatible models: UL 19 30 inch