Source Spring Toggle Anchor with Hook Bolt on m.alibaba.com
Simpson Strong-Tie FT18250C10 3/16"-24 FlipToggle Anchor with 2-1/2" Bolt (10/Box)
Source 12pcs Space Saving Ceiling Hook Metal Spring Toggle Wing Bolt Anti Rust Reusable M 4 90mm Heavy Duty Plasterboard Fixing Anchor on m.alibaba.com
Amazon.com: Ceiling Hooks 12 Packs Spring Toggle Wing Bolts Wall Fixing Ceiling Hooks Heavy Duty Pothook : Industrial & Scientific