This 100-piece set of (BB™) 1/4-20 Toggler SNAPTOGGLE® Heavy Duty Toggle Bolts and Flat Head Machine Screws is perfect for securely mounting heavy objects in drywall. Rated to hold up to 5x the weight of conventional toggle bolts, they provide up to 128 lbs of holding power in 1/2" drywall. The zinc construction is also rust-proof, so they’ll stay strong.