5 Pcs Wheel Trolley Assembly Beam Trolley Applied for 1-3/4" Wide and 2-1/4" or Taller Rail Hanging Track, Barn Door Rollers for Shed Sliding Doors or Mount Heavy Barn

Versatile Application: This stable welded wheel trolley assembly fits support slots 1-3/4 inch wide and 2-1/4 inch high or higher, not suitable for slots in 1-5/8 inches, please check the size carefully before using the wheel trolley assembly | Strong Construction: Crafted from solid 45# steel material, this wheel trolley assembly with zinc plating is sturdy and solid, resistant to rust and deformation, reusable, and provides long lasting support as a dependable wheel trolley assembly | Efficient Design: Featuring a solid bearing 45# steel shaft in the strut channel, this wheel trolley assembly ensures high stability and smooth movement, operating quietly without noise interference and offering reliable performance with the wheel trolley assembly | Ample Quantity: The package includes 5 pieces of 45# steel 4 wheel heavy duty wheel trolley assemblies in silver color; the amount is sufficient for replacement or use, and each can be applied upside down based on your needs for wheel trolley assembly installation | High Load Capacity: Designed with 4 wheels, this wheel trolley assembly supports up to 440 pounds, offering strong and stable operation; the rollers include a detachable bolt with 360 degree rotation, removable when not in use for flexible handling of the wheel trolley assembly