Pololu Universal Aluminum Mounting Hub for 8mm Shaft, M3 Holes (2-Pack) Shipping:2-4 Weeks 04 oz) without the included

04 oz) without the included header pins

* **Efficiency**:

The whole case is made of aluminum alloy

It is good to drive Gear Robot motors with reversal function

Pololu Universal Aluminum Mounting Hub for 8mm Shaft, M3 Holes (2-Pack) Shipping:2-4 Weeks 04 oz) without the includedThese universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 8 mm diameter motor shafts. The set includes two hubs, four M3 set screws for securing the hubs to motor shafts, and one 1. 5 mm Allen wrench for use with the set screws. Each hub has six threaded mounting holes for M3 screws (not included). These universal mounting hubs are designed to work with most 8 mm diameter shafts, including round shafts and D shafts.