[33mm]
Bearings
Details:
1#
Material: steel
Color: silver(as pictures show)
Weight: approx. 11.5g/pc
Outer diameter: approx. 30mm
Steel ball diameter: approx. 6mm
2#
Material: steel
Color: silver(as pictures show)
Weight: about 4g/pc
Outer diameter: approx. 20mm
Steel ball diameter: approx. 5mm
3#
Material: steel
Color: silver(as pictures show)
Weight: about 7g/pc
Outer diameter: approx. 25mm
Steel ball diameter: approx. 6mm
4#
Material: steel
Color: silver(as pictures show)
Outer diameter: approx. 40mm
Inner diameter: approx. 33mm