These grover washers are ideal for securely holding M4 screws. Made from durable Inox material, they offer long-lasting use and reliability.

They feature an inner diameter of 4 mm, ensuring a perfect fit with the corresponding screws. The package includes 10 pieces, providing you with plenty of washers for various applications.

• Protection against any loosening of screws.
• Made from Inox for corrosion resistance.
• Grover design for better fitting.