Threaded coupler M2, hole 2 mm dia-eco (OD 3, length 22 mm)

10 pieces.

Threaded coupler M2, hole 1 mm dia-eco (OD 3, length 22 mm)
10 pieces.

Threaded coupler M2, hole 1,3 mm dia-eco (OD 3, length 22 mm)

10 pieces

Threaded coupler M2,5, hole 2 mm dia (OD 3, length 22 mm)

10 pieces

Threaded coupler M2,5, hole 3 mm dia (OD 4, length 26 mm)

10 pieces

Threaded coupler M3, hole 3 mm dia (OD 4, length 28 mm)

10 pieces