Flex blades are used when you need more flexibility out of the blade so that it contours to the floor better. This is helpful when removing softer materials such as coatings or adhesives.
InnovaPro No Notch Replaceable Blade for Ride-On Floor Machine
No Notched Blades also are used to remove VCT, Linoleum, glue, and a variety of coatings and other soft materials. The No Notched design gives the blade more flexibility in the holder, helping you to remove softer materials like glue, adhesives and other soft coatings as the blade will contour to the curves of the slab better.