"JET industrial-duty trolley is designed for low maintenance and trouble-free operation. Multiple spacer washers make beam flange width adjustment quick and easy. Compliance OSHA, ANSI/ASME B30.11 and B3017 standards. Adjustable Yes, Material Type Steel, Works With H/I beams, Flange Width in. 2 1/2-8, Capacity lbs. 1,000, OSHA Approved Yes, Beam Height in. 4-19. Easy adjustment - remove one cotter pin and shift spacers to fit I-beam size For use with wide-flange H-beams, standard I-beams, or curved track Can be installed or removed at any point along track Rugged steel side plates feature built-in bumper guards Hardened wheels with lubricated for life, double sealed ball bearings Proof tested with test certificate"
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