• Conical cup washers with a diameter of 10 mm and total dimensions of 17.7 x 6 x 7 mm (outer diameter x inner diameter x thickness) • The package contains 50 washers, ideal for meeting daily needs in DIY and mechanical work • Made of aluminum alloy, they offer a smooth, burr-free surface • They feature anti-rust and anti-corrosion properties, ensuring high resistance and durability • The anodized surface treatment provides greater corrosion resistance and a prolonged service life • They allow you to hide unsightly holes made by drill bits, achieving a clean and decorative appearance in installations • Their design facilitates installation between the screw head and the fastening surface, ensuring a proper fit • They are suitable for a wide variety of applications, such as construction, machinery, automotive, and more • They can be used to fasten materials such as metal, plastic, wood, and others