Miller Adjustable Beam Trolley - 3 in. to 4.5 in.

* The Miller Beam Trolley installs to horizontal I-beams and slides along with the worker to provide maximum safety and mobility. * The lightweight Beam Trolley adjusts to fit beam flanges from 3-in. (76 mm) to 4-1/2-in. (114 mm) wide. * This sliding beam trolley is designed for ONE worker with a maximum capacity of 400 lbs (including tools). ** Meets or exceeds all applicable OSHA Standards for fall protection anchor points. ** Does NOT include the retractable in the product image.