Feature(may vary by option.)

●Aperture : 2.45mm (tight with 2.5mm axis)
●Number of teeth: 78 teeth
●Outer diameter: 40 mm
●Thickness : 10.5 mm ( including steps, total thickness )
●Modulus: 0.5; Weight: about 3.6g

[2.5mm Tight 78 Teeth]

Description

Aperture : 2.45mm (tight with 2.5mm axis)
Number of teeth: 78 teeth
Outer diameter: 40 mm
Thickness : 10.5 mm ( including steps, total thickness )
Modulus: 0.5
Weight: about 3.6g