The Vintage Sears Vacuum Gauge 2179 is a made-in-the-USA diagnostic tool that includes a hose and adapters for passenger vehicles and heavy-duty/commercial vehicles. With the ability to test vacuum systems up to 1000 PSI, this gas engine vacuum gauge is a valuable addition to any automotive tool collection. Despite missing instructions, the NOS (new-old stock) nature of this product indicates that it is still in excellent condition, ready to provide accurate readings for your automotive maintenance and repair needs. As is.