This Spacer Kit can be used to mount motors to the SDS MK4 Modules. This is especially useful for buyers that ordered a module without motors, and are looking to mount motors they already own to the module.
Components within am-4748:
 
2 - SDS MK4 Motor Spacer (am-4765)
2 - 10-32 x 0.625 in. Socket Head Cap Screw with Nylon Thread Lock Patch (am-1120)
2 - 10-32 x 2.75 in. Socket Head Cap Screw (am-1397)