【Product model】Strut Channel 4-Wheel Trolley Assembly With Eye Loop,4 Wheel Trolley Assembly,Silver Finish: Electro-Galvanized Zinc; ASTM B633, Type III.

【Product Type】Our roller trolley assembly is made using highs strength solid steel that's impact resistant and zinc galvanized to offer protection against rust and corrosion. It features a solid bearing steel pin shaft in the strut channel as well.

【Product compatibility】Each 4 wheel trolley assembly offers 450 lbs weight support. For use with: P1000, P1001, P5000, P5001, P5500, P5501 and All 1-5/8" or Taller Strut Channel.

【Product SIZE】9/16" Diameter Hole; Thickness: 1/4" (6mm) For use with: P1000, P1001, P5000, P5001, P5500, P5501 and All 1-5/8" or Taller Strut Channel.

Each 4 wheel trolley assembly offers 450 lbs weight support.

【CUSTOMER HAPPINESS:】 Our responsive customer service team is fully committed to ensuring you have the best experience possible! If you have any questions or concerns, please contact us and we will answer ASAP!