SHAFT CHECKER (BLOCK AND CYLINDER)
Use for checking straightness of the wheel shaft for Mini 4wd. An early sign whether wheel shaft requires changer out if defected or bend.
Block type has two hexagonal pattern. According to the type of shaft used.
Recommended for 72mm wheel shaft.
Cylinder type is used by inserting the wheel into the hex hole. It will pass through if the wheel shaft is in good condition. Other the side, it will fail to pass if the wheel shaft is defect or bend.
Usually used for 60mm wheel shaft.