Ideal for a wide range of applications from window and door fixture maintenance to other precision work Equipped with a 4mm hex socket and TX15 wrench, this curved inner hex key allows you to adjust your window or balcony door precisely and steadily The intuitive design allows the user to perform work efficiently, reducing the time and effort required to adjust Made of steel, this tool ensures durability and stability for long term use EASY TO USE: This tool is designed for quick and easy use, Manufacturer: Uitndvyte