Mounting 2.975” robot wheels to channel or other Actobotic components is now easier with this wheel mount. Use Wheel Bracket A for an inline or straight free-wheel setup. Each kit includes brackets, (2) 8mm x 22mm bearings, (1) 8mm x 0.94” standoff, (4) 6-32 x 1/4” socket head screws, (2) 6-32 x 7/16” socket head screws, (1) 90° Quad Hub A, and (2) #6 washers. Wheels sold separately. 6-32 socket head machine screws are included with the kit. You will need a 7/64” Hex Key (sold seperately).