Fuperoo 8-Wheel Strut Channel Roller Trolley for 1-5/8" Unistrut

Open hook design for easy hanging/removal. 【Strut Trolley Rollers Rated Load Capacity】 At 300 RPM: 780 lbs | 100 RPM: 1480 lbs | 50 RPM: 1780 lbs | 25 RPM: 2180 lbs. Trolley top：accommodates screw heads (max 0.5"W×0.2"H).

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