Description: Universal Window Safety Handle Lock for Plastic Steel Window Left Right Security Features: 100% brand new， durable and high quality. This lock ideal for plastic and steel open outside windows， but not compatible for aluminium windows. Specification: Material: Zinc alloy Model: Left(Type A); right(Type B) optional~ Note: Handle lock includes left hand and right hand two types， please notice two types are not interchangeable， confirm the direction you need before buying， thanks! Package includes: 1 x Window lock 2 x Screw Details pictures: