The Reliance 3092 Adjustable Width Beam Anchor has an integrated folding step (may not be used as a point of attachment) and attaches to I-beams 4" to 16-5/8" wide with a 1/4" to 1-3/4" flange thickness (4 - 41.5cm width, .6 - 4.4cm thick). It is rated 14,500 lbs. (64.4kN).