A550000 I-BEAM SLIDING ANCHORThe Werner A550000 I-Beam Sliding Anchor is a lightweight, adjustable clamp which attaches to I-Beam flanges and slides along the beam as the user moves. The Aluminum design fits beam flanges from 3-1/2 inch to 14 inch with thickness of 1-1/4 inch. Easy to adjust in and out and its design moves smoothly along the beam.Features Lightweight aluminum design moves smoothly across beamFits beam flanges from 3-1/2 in to 14 inFits beams up to 1-1/4 in thickCertifications/ Code Meets ANSI & OSHA Standardshttps://wernerco.widen.net/view/pdf/a6v67ikc4k/105...https://wernerco.widen.net/view/pdf/qyeu4j3mxy/GM7...