Hercules Hooks™  bring "muscle" to your hanging tasks (so you don't have to)! Just a quick twist, push, and turn by hand is all it takes to install these incredible hooks in drywall, plaster or paneling. Each holds up to 150 lbs. yet leaves only a pin-size hole - no more missed studs or damaged walls to repair! Great for mirrors, shelves, pictures and more. Includes 20 hooks plus bonus laser level, which uses 2 AAA batteries (not included).