FallTech Single Ratchet Trailing Beam Clamp* This is a trailing beam clamp that will slide across the beam as you work so there is no need to re adjust as you work. * The FallTech Beam Clamp adjusts in seconds from a single ratchet point for the perfect fit without using tools, making installation and removal a breeze. * The aluminum and alloy steel components of this beam clamp are durable for long lasting durability from job to job. * This Beam Clamp fits flanges from 4" to 12" wide and up