Hi Flame 4 Wheel Heavy Duty Trolley Assembly with Silent M10 Bolt & 3 Nuts for All Standard 1-5/8" or Taller Strut Channel (Pack of 4), 4WSZ4

Hi Flame 4 Wheel Heavy Duty Trolley Assembly With Silent M10 Bolt & 3 nuts for All Standard 1-5/8" or Taller Strut Channel. Unique design: The bolt is hidden in the fastening groove, trolley will not be blocked in the channel. 4 Wheel Heavy Duty Trolley Assembly With Silent Wheel, about 1 Lb per trolley. This Trolley use with 1-5/8" Wide and All standard 1-5/8" or Taller Strut Channel, M10 (3/8inch) Bolt in the middle, 80mm (3.15inch) in length, Design Load in 800 pound. The pin shaft in the strut channel trolley bearing is made of solid alloy steel, which ensures the high strength of the Wheel trolley.Intermediate support of solid steel, high strength, impact resistance. Galvanized Zinc, rust protection. Standard deep groove ball bearing installation, is very smooth no noise to it when used.Bearing welding positioning, to ensure the stability of the work. 3 nuts are prepared in the accessory, that you can use the dollies upside down easier.

• Unique design: The bolt is hidden in the fastening groove, trolley will not be blocked in the channel. 4 Wheel Heavy Duty Trolley Assembly With Silent Wheel, about 1 Lb per trolley.
• 4 Wheel Trolley use with 1-5/8" Wide and All standard 1-5/8" or Taller Strut Channel, M10 (3/8inch) Bolt in the middle, 80mm (3.15inch) in length, Design Load in 800 pound.
• The pin shaft in the strut channel trolley bearing is made of solid alloy steel, which ensures the high strength of the Wheel trolley.Intermediate support of solid steel, high strength, impact resistance. Galvanized Zinc, rust protection.
• Wheel Trolley Standard deep groove ball bearing installation, is very smooth no noise to it when used.Bearing welding positioning, to ensure the stability of the work.
• 3 nuts are prepared in the accessory, that you can use the dollies upside down easier.