4U 600mm x 600mm cabinet (Wx D) Available in several different sizes Lockable, reversible front door with acrylic window for extra security Easy cable entry options via top, bottom & rear 2 year warranty The range of LINDY wall boxes are available in sizes from 4U 600x 450 to 18U 600x 600. They are made in the UK from using sheet steel construction & with many of the sizes held in stock, we can deliver to most places in the UK the next day. Each wall box is delivered fully assembled & include 2 keys for the lockable doors.