FallTech 18¼" Trailing Beam Anchor with Dual-clamp Adjustment - 7534 Applications: Features threaded aluminum crossbar and jaws with knurled rings for fine adjustment Exclusive recessed under-jaw ball bearings provide improved mobility. Fits beam flanges from 3" to 18-1/4" wide and up to 1" thick For temporary mobile use on horizontal I-beams Complies with ANSI Z359.18-2017 Product Specs: Family Group Steel Anchorage Anchor Type I-Beam/Clamping ANSI ANSI Compliant Application Mobile/Trailing OSHA OSHA Compliant Primary Material Aluminum Alloy Performance Detail: Static Strength 5,000 lb min. ANSI User Capacity 130 to 310 lb max. OSHA User Capacity 130 to 425 lb max. Material Specs: D-ring Plated alloy steel; 5,000 lb min. static strength Crossbar Aluminum alloy Clamp Jaws Aluminum alloy MFG Part #: 7534 UPC#: 848013040244 Instruction Manual Declaration of Conformity