This 0.05" diameter, 1.75" long by 0.6" wide flat-ended hex key works with small hex screws, such as the set screws included with our mounting hubs. The Allen key has a black oxide finish to protect it from rust.
Our Code: MEC-30032
Supplier Link: [Pololu MPN:1064]
This key is used for the Pololu Universal mounting hubs. Each hub kit includes a key but we stock this if you need a spare.