I recently purchased the Tnisesm 10AN Separator Clamps set and I couldn't be happier with my purchase! These clamps are a lifesaver when it comes to securing my fuel and water pipes - I no longer have to worry about any leaks or breaks. The set of four comes with an Allen wrench, making installation a breeze. The clamps are sturdy and well-made, and I have no doubt that they will last me a long time. Plus, their sleek design adds a nice touch to my engine bay. Overall, I give the Tnisesm Separator Clamps a 5-star rating - they are a must-have for any car enthusiast!