E-Z Ancor® 25316 Stud Solver® Self-Drilling Drywall Anchors, 50 Lb, 50-PackE Z Ancor Stud Solver Self Drilling Drywall Anchor works every time install anywhere on a wall, even if you hit a wood stud behind the drywall! No pre drilling necessary drills directly into drywall even if you hit a wood stud. Starts easier than other self drilling drywall anchors. A superior alternative to traditional plastic plugs and mollies. Zinc die cast design for maximum durability. Can be easily removed. 50 Pack Hangs up to 50 lbs No pre