4-Wheel Trolley Assembly, Casters, 4 Pieces, 1-5.8 Inches

Universal Compatibility: These 4-wheel dollies fit 1-5/8" or wider strut rails. Compatible with models such as SC12-2-EG, P1000, and P5000 for suspended dolly systems. Heavy-Duty Steel Support: Assembly constructed of solid hot-rolled steel with a galvanized finish. Casters, bearings, and axles are welded for stable support in strut rail applications. Smooth Movement: The 4-wheel design allows for smooth and quiet gliding in compatible strut rails. The electroplated surface helps limit oxidation in electrical and mechanical projects. Versatile Uses: Suitable for garage hoist systems, electric lifting systems, and suspended rail projects. Suitable for loads used in common electrical and mechanical installations. Easy Installation: Each dolly has a 9/16" x 14 mm steel plate hole and is 0.16" x 4 mm thick. Set of 4 casters for convenient installation on strut rails.