Solid nylon wheels and 10 steel ball bearings provide long life with quiet and smooth operation. 4" shafts and 1-7/8" diameter wheels, and fit all standard residential 2" tracks. Two roller assembly.
Solid nylon wheels and 10 steel ball bearings provide long life with quiet and smooth operation. 4" shafts and 1-7/8" diameter wheels, and fit all standard residential 2" tracks. Two roller assembly.