If your cabinets are 500mm wide, then the pull-out in-cupboard bins mentioned below would be the perfect solution for your needs. These bins have been designed in such a way that you can use the cupboard space to the maximum. In addition, your kitchen would always look clean and clutter-free.
The main benefit of having a 500mm wide space in your kitchen is that you would be able to install a multi-purpose storage system. You can choose between single-compartment bins and multi-compartment bins. With the added advantage of the 500mm-wide space, you would be able to install multiple bins in a single cupboard, thereby facilitating a smooth workflow in your kitchen, but this thing is totally dependent on the cabinet space and the size of pull-out bins.
These are available from well-known manufacturers such as Austen & Co., Franke, Wesco, and Caple. All of these are specifically manufactured for 500 mm cabinets to enable you to attain a functional, beautiful, and well-organised kitchen. In addition, it would also ensure the longevity of these bins through the quality of materials used. Upgrading your 500mm cabinets with these pull-out bins would give you a smart kitchen.