Features:
1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;
2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.
3.Made of aluminum and rubber, not easy to wear and tear, durable.
4.Used in conjunction with a rotary encoder to measure speed and position with high resolution.
5.Easy to Install, Easy to Use.

Specifications:
Material: Rubber & Aluminum
Color: Black & Silver
Brand name: Unbranded
Size:
Outer diameter: 65mm/2.56inch
Circumference: 200mm/7.87inch
Inner diameter: 6mm/0.24inch
Weight: 90g

Package include:
2 x Encoder Wheel
2 x Wrench
4 x Screw