Pololu - Hex (Allen) Wrench 0.05

This 0.05" diameter, 1.75" long by 0.6" wide flat-ended hex key works with small hex screws, such as the #4-40 set screws included with some of our mounting hubs.
This 0.05 diameter, 1.75 long by 0.6 wide flat-ended hex key works with small hex screws, such as the #4-40 set screws included with some of our mounting hubs.

Welloo Ball Point Hex - 9Pcs Allen key set, Setin Finished CR-V for ve – McareSpareParts

Pololu Universal Aluminum Mounting Hub for 4mm Shaft #4-40 Holes (2-P, 9,95 €

YIYITOOLS - HN-1-001 Hex Key Allen Wrench Set – 30-Piece Industrial Grade Set Tools, 1/20-3/8 inches, 1.27-10 mm, Black and Silver : Everything Else

Sur-Ron Talaria Motion Pro Hex Key Set Allen Wrench – eDirtyBike

Eklind Tool 13322 Bright-Ball-Hex L-Key allen wrench Combo- Inch / MM (2 sets 22pc) : Tools & Home Improvement

Llave Allen hexagonal 0.05 pulgadas

1/16 5/64 3/32 1/8 5/32 3/16 inch L Wrench Hex Allen Wrench Hexagon Key Tool

Pololu Universal Aluminum Mounting Hub for 4mm Shaft, #4-40 Holes (2-Pack) , from Pololu for €6.21

1/16 5/64 3/32 1/8 5/32 3/16 inch L Wrench Hex Allen Wrench Hexagon Key Tool