WincoAluminum, 8-Cut Winware Pie and Cake Marker

8 slicer precutter is for 16 inches of pizza?

Do each slice fit a 10cm by 13cm container?

How big is each pie slice on outer edge using the 10-cut marker ?

Can it cut all the way way through the cake or It looks sharp enough , wondering if it can cut all the way through the cake or do u still need knife?