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.
Amazon.com: IIVVERR 3mm x 30mm Thread Spring Wing Toggle Bolt Wall Fixings 6PCS for Hollow Surfaces (3 mm x 30 mm Rosca Resorte Ala Toggle Bolt Wall Fixings 6PCS para superficies huecas :
1/4" X 5" Round Head Toggle Bolt, Simpson, 50/box, SIMSWBT25500R
CONFAST 24 Piece Toggle Bolt and Wing Nut Assortment Kit for Hollow Wall and Drywall, 3 Size Butterfly Anchors 1/8", 3/16" and 1/4"