3M DBI SALA Glyder Sliding Beam Anchor 2104704Work confidently with the 3M DBI SALA Sliding Beam Anchor. This durable solution provides a high strength anchorage point that follows you while you work. Once you secure it to the beam using the integrated adjustment buttons, simply connect your self retracting lifeline (SRL) or lanyard to the rotating D ring and youre ready to work. Fits beam flanges 3. 5 in to 14 in (9 cm to 35. 5 cm) wide and up to 1. 25 in (3. 2 cm) thick Rugged, corrosion