Sorting Box assembly instructions ENGLISH: 0 Attach the runners to each of the longer side panels using the small screws {in packet labelledA). e e You will need a small crossheaded or Pozi screwdriver for this. Slot the base into the grooves of the side panels. Attach the front and back panels (with the handles) to the side panels, using the long screws (in packet labelled B). Use the alien key provided. Make sure the base also fits into the groove on the back and front panels.