In this task, you're given a review from Amazon. Your task is to generate a rating for the product on a scale of 1-5 based on the review. The rating means 1: extremely poor, 2: poor, 3: neutral, 4: good, 5: extremely good.

These blades came out of the package sharp. I did add some honing oil and ran for a couple minutes to break in. I used for the first time to shave this morning and shaved my entire head. It was nice and smooth and very close to a blade shave. I am happy with the purchase.
5