BiJun 4 Wheel Rolley Assembly,Strut Channel Trolley Rollers Wheel for 1-5/8" Wide and All 1-5/8" or Taller unistrut Strut Channel to Mount Heavy Barn or Shed Sliding Doors(2PCS)

Additional Details from the Manufacturer

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More features

• Unique Design: Unistrut rollers features a special groove design with hidden fastening bolts, ensuring smooth movement along the channel.The side protrusions protect the bearing from impact, increasing its lifespan
• Wide Compatibility: Barn door trolley fit 1-5/8 inches wide and all 1-5/8 inches or taller strut channels,M10 Bolt in the middle, 92 mm (3.6inch) in length,2 nuts are include that is better for upside down used
• Material:4 Wheel trolley assembly roller manufactured from stainless steel,the trolley assembly offers high strength, corrosion resistance, and durability, making it suitable for various applications such as barn door or garage door replacement
• Heavy-Duty Performance: Strut Channel Trolley Rollers Wheel designed to handle loads up to 770 pounds, the sliding door rollers confidently supports heavy loads