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Pretty overpriced for what it is, but works ok. Basically a 4 piece set if you're too lazy to piece it together, but individually you could get better parts and for less collectively. The blade that comes with it to cut window film works but no better than a thin exacto knife or something similar. Then the rest is pretty just a run of the mill spray bottle, and a soap and water solution works just the same. The scraper/squeegee is of dollar store variety, and the lint cloth wasn't used anyway.
This is product is really a waste of money. I barely can call that thing a blade, it is a peace of plastic not a blade. Selling soap with water and call it solution is too much for me. The only one more a less valuable thing is a card, however it can be easily been replaced with any plastic putty knife.
All you need instead of this kit is: - Construction knife - Mix water and soap - Plastic putty knife