◆ RC model boat propeller drive dog shaft crutch accessories. ◆ 2PCS RC Boat Drive Dogs. ◆ 3.0mm x OD7mm x H8mm, fit 3.0mm shaft. ◆ 3.175mm x OD7mm x H8mm, fit 3.175mm shaft. ◆ 4.0mm x OD8mm x H9mm, fit 4.0mm shaft.
This product would be ideal for RC boat enthusiasts who require adapter shafts for their 2-piece propellers with different bolt hole diameters.
