Tamiya #15422 - JR Mini 4WD Pinion Puller - Blue 
Specs & Features
- The puller fits in the space between the pinion and motor and by turning the end bolt, it effortlessly removes the pinion.
- Due to its compact design, the Pinion Puller can be stored in both Item 15163 Mini 4WD Parts Case and Item 15389 Mini 4WD Multipurpose Case.
- The Puller is made with cool looking blue anodized aluminum.