The magnet catches the bolt firmly. Ideal for use in places where bolts must not fall out, such as when removing and installing vehicle navigation systems and vehicle audio systems. With 3pcs of hexagon 8mm / 10mm and plus No.2, it is suitable for installation of car navigation system and car audio system of most Japanese vehicles. *Some models require a special tool. By lifting up the lock ring, the lock is released and the shaft length can be extended or retracted in 2 ways of 100mm or 160mm. For the bolts located at the back of the vehicle, the shaft length is 160mm, and for the bolts located on the instrument panel, the shaft length is 100mm to avoid interfering with the front window. The shaft length can be changed with one hand.
