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
Simpson Strong-Tie FT18250C10 3/16"-24 FlipToggle Anchor with 2-1/2" Bolt (10/Box)
Amazon.com: TOGGLER SNAPTOGGLE Drywall Anchor with included bolts for 1/4-20 Fastener size; Holds up to 265 pounds Each in 1/2-in Drywall by TOGGLER (4 Pack) : Industrial & Scientific