Introducing the 1115 - Large Rectangular Universal Adapter! If you're looking for a metal rectangular universal-style adapter for your Power Bleeder, this is the perfect product for you. This solution fits vehicles with plastic oblong or rectangular master cylinder reservoirs up to 4.25" x 7.75", which generally means most late 80's to early 90's American cars. You'll be getting a great combination of quality and convenience when you purchase the 1115 - Large Rectangular Universal Adapter too: it comes with clamping hardware that allows easy setup and installation onto your master cylinder. Here at Motive Products, we know what it takes to provide professional mechanics with quality solutions, so don't hesitate to make this purchase today. With the 1115 - Large Rectangular Universal Adapter, you can get the job done quickly, easily and accurately every time.