FallTech Bolt-on D-Ring Plate Anchor* This Bolt On D Ring anchor can be used re used to keep your safety expenses low as you bring it from job to job. * The heavy duty construction of this anchor will ensure you're using this anchor for years to come. * This d ring plate anchor is designed for use on steel beams, columns, and steel structures. * This anchor consists of a 2" by 4 1 2" plate with 1 2" holes. ** Meets or exceeds all applicable OSHA and ANSI standards including ANSI Z359. 1