Description:4 Bearing Trolley Assembly: Made of quality iron for impact resistance

galvanized to ensure the rust resistance of the wheeled trolley

Stable: Smooth and noiseless during use, the bearings and pins are firmly welded, and the work is stable

Fits: Suitable for 1-5/8 inch wide and all post channels 1-5/8 inch or Universal: The distance between the center of the hole at the bottom of the support groove trolley can meet the location requirements of the installation holes of different types of electric hoists

Size: 15cmx7cmx7cm/5

91inchx2

76inchx2

76inchSpecification:Material: IronPackage Includes:1 4 wheel Installation RollerNote:Please allow slightly errors due to manual measurement and different monitors