OXO Good Grips Over-the-Door Side-by-Side Double Hook Hook flexes to fit securely over thin and thick doors (1 3/8" - 1 3/4") Soft, non-skid surface protects door finish Non-slip hooks grip items securely Great for bathroom, closet, laundry room, mud room, pantry, dorm and more For best performance, use Hook where there is a standard 3/16" gap between the top of the door and its frame