2 Wheel Trolley Assembly Rollers, Trolley Roller for Use with 1-5/8" Wide and All1-5/8 or Taller Strut Channel 4pcs

【Trolleys Size】2 Wheel Trolley Assembly Rollers made of solid galvanized iron for impact resistance.The surface is galvanized to rust resistance. Trolley rollers steel plate hole diameter 14mm，thickness 4mm. For use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel 【Unique design】2 wheel trolley rollers it rolls smoothly, fits easily into a standard single slot, stays centered in the slot, and has good side clearance so the bolts don't rub or get stuck in the slot 【Bearing load】100 pounds at 600 rpm, 200 pounds at 300 rpm, 250 pounds at 100 rpm, breaking strength: 1800 pounds 【MULTI-PURPOSE】Strut trolley is suitable for different situations in our daily life. Can be used in garage winch systems, electric lift systems and ceiling trolley systems 【Quality Service】If you have any issues with the trolley assembly then just let us know and we will solve it for you within 24 hours to ensure you are completely satisfied

Material: galvanized iron Color: golden Brand: BIAXJUNY