Concrete Anchor Anchor Installation Permanent Reusable Anchor Material Stainless Steel Anchor Style D-Ring Attachment Point Swivel D-Ring Bolt Length 4 1/8 in Brand and Series 3M DBI-SALA Concrete Strength 3 000 psi For Hole Dia 11/16 in For Wall Thickness 6 1/4 in Includes Mounting Hardware Yes Max Hole Depth 4 1/2 in Mounting Hole Dia 11/16 in Mounting Type Screws Number of Mounting Holes 1 Overall Length 5 3/4 in Ring Inside Dia 3 in Standards OSHA ANSI ASTM E488