• Kit of 100 sealing washers consisting of a nitrile rubber (NBR) inner ring and a galvanized carbon steel outer ring. • Includes 6 different sizes: 20 pieces M6, 20 pieces M8, 15 pieces M10, 15 pieces M12, 20 pieces M14, and 10 pieces M16. • Provides reliable sealing at both low and high pressure, with resistance to oil, gasoline, diesel, and aging. • Withstands an operating temperature range from -20 °C to 120 °C. • The elastic rubber ring increases the contact and friction surface, ensuring a strong and airtight connection. • Supplied in an organized plastic box with compartments to make it easy to find the required size. • Versatile application in automotive, hydraulic presses, pipe connectors, turbochargers, valves, and industrial machinery.