Encoder disc for speed measurement

Model: AF120.
Plastic wheel that has 20 grooves, it is designed to be placed on the shafts of motors or geared motors.

Features:
Type: encoder disk
Plastic material
Colour: black
Slots: 20
Outer diameter: 26 mm
Shaft diameter: 5.5mm x 3.5 approx.
thickness: 3 mm
Weight: 2 g.