I have used this product for many years. It has saved me time, money and stress when it comes to replacing my oil filters. The ease of use is great. They are small enough so they don't take up much room in between other items you need but also big enough that they work well. There really isn't anything not to like about them, as far as price goes. If you're looking for something simple and easy to use than these should be at the top of your list! We've been able to save significant amounts of time by using this product instead of having our mechanics change out oil filter every few thousand miles or hours of driving, which would otherwise take several man-hours.