Everbilt 3/16 in. x 2 in. Zinc-Plated Mushroom-Head Toggle Bolt Anchor (15-Piece) 10282 - The Home Depot
25R300ATR,toggle spring wing, toggle spring wing anchor;toggle spring wing, toggle spring wing anchor,1/4 X 3 ROUND HD TOGGLE BOLT,Jugenheimer Industrial Supplies, Inc.
Powers Fasteners 04132 3/16" x 3" Toggle Bolt Hollow Wall Anchor - Flat Head (50/Box)
50 POWERS 3/8 x 4" TOGGLE BOLT SPRING LOADED WING EXPANSION ANCHOR ROUND HEAD | eBay