Allen screw with a diameter of 3mm and a length of 10mm. It features a head with an internal hexagonal configuration and tightens or loosens with a hex key or Allen key. It has the advantage of offering very good grip when used with the corresponding hex key or Allen key. It can also be used more easily in hard-to-reach areas. It is ideal for use in outdoor spaces or in environments with moisture, as it is made of stainless steel.