1-5/8 Inch Wide Strut Trolley 4-Bearing Trolley Assembly - PHD Manufacturing Bearing Trolley For Strut For use with 1-5/8 Wide and All 1-5/8 or Taller Strut Channel 4 Wheel Silent Trolley Assebly Rollers Four Bearing Trolley - Want It All 【Heavy-Duty Build】Two Bearing Trolley Assembly Made with Hot-Rolled Carbon Steel of solid steel for impact resistance. Break strength: 3969 lbs. Heavy Duty Industrial Strength. The Roller trolley is suitable for: all 1-5/8 or higher pillar channels 【Trolleys Size】Steel plate hole diameter-9/16”(14mm); thickness-1/4”(6mm). Assembly trolley, max. load 500 kg – eurokraft pro: 4 drawers | kaiserkraft 【High-Quality Material】Durability and long-lasting performance, providing you with reliable solutions