4 PCS 2 Wheel Trolley Assembly Rollers 1-5/8 Taller Strut Channel Hoist
【Trolleys Size】2 Wheel Trolley Assembly Rollers made of solid galvanized iron for impact resistance.The surface is galvanized to rust resistance. For use with 1-5/8″ Wide and All 1-5/8″ or Taller Strut Channel.