Frontline Easy Slider Beam Walker Anchor* D ring is centered on the anchorage connector for ease of sliding on beam flanges and can be conveniently adjusted from one side * Featuring a 360 degree swiveling rotating d ring, the Easy Slider helps the user move and access different work areas easily and hassle free * The Easy Slider anchor can fit I beams from 3. 5" wide and adjust up to 14" wide I beams * Beam anchor slides conveniently while following the user when relocating work area in