Gasket Pro De-Hydra This blade is classified as a med/hard squeegee range @ 90 Durometer. This blade picks up where other blades fall short . What makes this blade unique is the amount of mounting solution that it is capable of moving with minimal effort, It works well on ALL automotive Films and windows, it also works well on all commercial/residential or security films. People are getting 5 times mor life out of my blades with proper care than they do from most other blades . The De-Hydra is a proprietary blend of materials that has the best wear resistance for its application, the blades are extruded material.