This compact and efficient R134A Refrigerant Charging Hose Kit makes AC recharge a breeze! The kit comes with a gauge, valve can tap, and bottle opener (yes, you read it right - a bottle opener!) - everything you need to get your AC up and running. The measuring pipe is easy to use and handles the pressure perfectly. The valve can tap is a no-nonsense design that seals the valve and ensures leak-free operation. The gauge is accurate and the readings are on-point, making sure you don't overcharge your system. And the bottle opener? Well, let's just say it's a handy little addition that will keep you refreshed while working on your car. The only reason I didn't give this product a 5-star rating is because the instructions could have been more detailed. However, with a little bit of trial and error, I was able to figure it all out. Overall, this is an excellent product at an affordable price. If you're looking for an easy and efficient way to recharge your AC, the AutoRocking R134A Refrigerant Charging Hose Kit is the way to go!