2Pcs 4 Wheel Trolley Assembly Rollers Four Bearing Trolley Assembly for 1-5/8" Wide and All 1-5/8" or Taller Strut Channel Bunting Banner ENHANCED COMFORT: Upgraded earphone pads

ENHANCED COMFORT: Upgraded earphone pads are made from high end gel materials

it is a common working tool for woodworking craftsmen to improve work efficiency

Soft lining material keep your eyewear free from scratches and dust

★ Due to the difference between different computer /phone monitors

or multi-pet households

2Pcs 4 Wheel Trolley Assembly Rollers Four Bearing Trolley Assembly for 1-5/8" Wide and All 1-5/8" or Taller Strut Channel Bunting Banner ENHANCED COMFORT: Upgraded earphone padsSpecification Product Name: 4 Bearing Trolley Assembly Material: Steel Finish: Zinc Plated Steel Trolleys SizeSteel plate thickness1 4" (6mm) Steel plate hole diameter: 9 16" (14mm) Design load: 280 lbs at 600 rpm; 380 lbs at 300 rpm; 450 lbs at 100 rpm. Break strength: 3969 lbs. Heavy Duty Industrial Strength. The Roller trolley is suitable for: all 1 5 8" or higher pillar channels. Trolley Wheel Weight: 477g Advantage Roller Trolley Standard deep