Busch-1800-H0-Scale-Roll-Test-St&-Busch-1800-This-roll-test-st&-from-Busch-can-be-used-to-jack-up-H0-scale-locomotives-so-that-the-wheels-turn-freely-while-the-unit-remains-stationary-The-driving-current-from-the-tracks-is-transferred-to-the-wheels-of-the-locomotive-by-three-variable-roller-supports-making-this-roll-test-st&-ideal-for-locomotive-repairs-cleaning-&-oiling-as-well-as-for-showcase-presentation-Busch-1800-HO-Roll-Test-Stand