quality. Made of high-quality materials for durability Nitrogen Pressure Test Table Air Conditioning Refrigeration Test Bench Tool The spherical structure valve can replace the conventional head, which is simple and convenient. It is used for pressure testing of air conditioners, refrig erants, automobiles, and central air conditioners. Provides accurate nitrogen pressure testing. The large screen is easy to read.<br><br>Suitable for R134a, R22, R407C, R410A. Product parameters: Connector size: 1/4 SAE inch Pressure range: -1~60bar Head Diameter: 80mm/3.15 INCH Tube length 21cm Material: copper colour: As shown<br><br>Package Contents: 1 x Nitrogen pressure test table (The text and appearance on the tube are random,Do not accept designation)<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.