<p>No drill needed, these anchors work in drywall 3/8-5/8" thick with #6-#10 screws. It is the strongest and safest self-drilling drywall anchor plus it Removable. Won't destroy the wall. Holds up to 79 lbs. in 1/2" drywall with #8 screw. Industry standard: use 1/4 of ultimate load. Need only a screwdriver