This Metric 8 Piece Locking Hex Key from Vaunt has a fantastic locking feature which allows the key to lock into a fixed position for precision and easy use. With 5 different angles to choose from 90, 135, 180, 225 and 270, the job can be completed faster and more efficiently than a basic Hex Key tool. The black phosphate finish protects the key against rust and corrosion and a soft touch grip handle provides greater comfort when using the tool. With multiple keys to choose from the size indications are sketched onto each key for easy identification.