Break strength: 2200 lbs. Heavy Duty Industrial Strength. The Roller trolley is suitable for: all 1-5/8" or higher pillar channels. Anchor Shackle Size: 1 Pcs 1/2"(12mm) Bow Shape Screw Pin Anchor Shackle, one-way screw, bolt design, Max Open Width: 0.75" (20mm), Working Load Limit: 1400kg / 3086lbs.
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