Parts for modifying existing wheel balancer

These parts are to be used with existing static wheel balance from Amazon.
Other things need for this is a hard solid ball at Ø1" to 2 1/8" [Ø25mm-54mm] for the balancing centre, A solid flat disk mirror finished @ Ø2"[Ø50mm] to sit on top of the centreplateformv1 for the ball to site, A circular precision bubble level to be placed at the centre of the wheel. And some solid shims to level the platform top before balancing.
Wheelbalancerv2 part is to be inserted into centre the hub of the rim. It only fits Ø64.1mm & 73.1