The new 3M™ DBI-SALA® Sliding Beam Anchor offers uncompromising mobility on the job. Redesigned adjustment buttons are more intuitive and are free of chains and pins. Connect your Self-Retracting Lifeline or lanyard to the swiveling D-ring for 360-degree mobility new to this improved model. The anchor point slides effortlessly behind you when moving along the beam. For tying off at your feet, use the 3M DBI-SALA 3500225 Nano-Lok Leading Edge Twin-Leg Quick-Connect Cable Self-Retracting Lifeline. The Sliding Beam Anchor can be applied to a variety of work sites, such as buildings, bridge work, warehouses, arenas, and parking ramps. The versatile adjustable size ranges to fit a variety of beams. High-strength, lightweight steel and aluminum construction features 5,000 lb. (22 kN) strength and up to 420 lb. (189 kg) capacity. Specs: Beam Width 12-30 in., Flange Thickness 2.5 in. For worn wear pads, purchase the 2110816 Replacement wear pads (Small, Set of 2).