Ztrack Center is now offering the full line of KPF Zeller Precision test gear. the line includes a range of roller bearing test stands and accessories. This includes KPF's latest release, the extra long roller stand. This stand is 500 mm long which is can accommodate the longest Z scale locomotives such as AZL's AC12 or Marklin's F7 A-B-A sets (shown below). To view the line or to order, please visit: Ztrack Center Ztrack Center will be adding even more Z products in the near future. Stay tuned! Rob Kluz