Saflok Toggle Anchor - Install into 3/4 in. (19mm) precast concrete or steel hole - Use vertically in wall or overhead in ceiling - 360-degree steel D-ring - 3M DBI-SALA 2100101 - iWantWorkwear
illustrated chart of sleeve-type wall anchors | Diy home repair, Hollow wall anchors, Wall anchors
Red Head 1/2-in x 3-3/4-in Concrete Wedge Anchors (10-Pack) in the Anchors department at Lowes.com
Toggle Lok Anchor for precast concrete & steel | Harness Land