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 4 Wheel Rolley Assembly 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
High-Quality Material4 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 unistrut trolley confidently supports heavy loads
