- Set of 20 flat copper washers, designed to offer maximum strength and durability - 24 mm inner diameter, compatible with multiple applications in automotive, marine, and electrical devices - Made of high-quality copper, withstand high stresses and offer excellent sealing capability - Ideal for fastening and sealing machinery parts, preventing leaks and ensuring a secure fit - Precise measurements: 24 mm (inner diameter), 29 mm (outer diameter), 1 mm (thickness) - Copper-tone finish, easily integrating into mechanical and electrical systems - Recommended for use in workshops, industrial maintenance, and DIY projects - Easy to install and reusable in different projects