OSE 5mm to 3.8mm (.150) Coupler : Short Style, 25mm in length

OSE 5mm to 3.8mm (.150") stainless steel coupler.

Specs:
Measures: 25mm (.98") long x 9.85mm (.39") diameter.
Motor shaft: 5mm motor shaft
Flex cable: 3.8mm (.150") flex Cable
Weighs: 0.5 ounces

m4 grub screw

Requires:
2mm hex driver.