Size : approx 9x0.6x17.6x10.9cm / 3.54x0.24x6.93x4.29 inches Flexible and simple , saving for time and effort It is the best for side slotting and it will provide long-term strength and use for many years It does not occupy a lot of space and can be kept well , quick to use We 2 kinds optional ( slotted board / slotted plate with transparent cover ) , you can choose or more according to your needs, Manufacturer: Watreketal