TOGGLER SNAPTOGGLE Drywall Anchor with Included Bolts for 1/4-20 Fastener Size; Holds 80 pounds Each in 1/2-in Drywall by TOGGLER (12 Pack): Amazon.com: Industrial & Scientific
Galvanized Butterfly Toggle Anchor with Screw - China Toggle Anchor, Butterfly Anchor | Made-in-China.com
10 Types of Hollow Wall and Drywall Anchors and How to Choose One