OSE 5mm to 1/8" (3.18mm) Coupler

OSE 5mm to 3.18mm (.125") stainless steel coupler.

Specs:
Measures: 30mm(1.18") long x 10mm (.4") diameter.
Motor shaft: fits 5mm motor shaft
Flex cable: fits 3.18mm, 1/8" or .125" flex Cable
Weighs: 0.45 ounces
m4 grub screw

Requires:
2mm hex driver.