【3.175mm to 5mm Shaft Adapter】Using the coupler can convert 32P 48P Mod1 5mm pinion apertures to 3.175mm, for motors with 3.175mm shaft diameter such as 550 540 3650 series motors.
【Fit for】Convert 1/8 pinion Gears motor to 1/10 pinion Gears motor, for 1/10 RC Scale Car Boat Trx4 Redcat ARRMA AXIAL HSP.
【Size】Inner diameter: 3.175mm(1/8inch); Outer Diameter:5mm; Length: 12mm.
【Exquisite Material】Made of stainless steel, durable and lightweight.
【What’s in the Package】Come with 3 * sleeves, 1 * L allen key and 3 * M4 set screws which used to prevent slipping