Test stand for presentation and maintenance of 1 Gauge locomotives with up to 6 powered axles. The test stand is made of anodized aluminum profile shapes. The pairs of roller blocks have precision ball bearings. 1 Gauge track is mounted on the test stand. Locomotives are operated with a 6646/6647 transformer or a 6021 Control Unit. Length 850 mm / 33-7/16". Useable length approx. 790 mm / 31-1/8". Pairs of roller blocks can be bought separately in the 59932 extension set. They are necessary for locomotives with more than 6 powered axles.