Easy to use: the tool is designed to allow quick and easy Equipped with a 4mm hexagonal socket and TX15 wrench, this curved inside hexagonal wrench allows for precise and stable adjustments of window and balcony doors Make of steel, this tool ensuring durability and stability for long terms use Great for a wide ranges of applications, from the maintenance of window and door fittings to other precisions work Its intuitively design allows users to perform tasks efficiently, reducing the time and effort required for adjustments, Manufacturer: Oxxggkao