／ 30 pieces! Size - M4, Inner Diameter: 4.1mm / 0.161"; Outer Diameter: 10mm / 0.394" ＼ * Anonymous delivery! Free shipping ✨ * Instant purchase welcome, silent purchase at midnight OK ◎ * First come, first served for one item only * Bulk purchase welcome, feel free to comment ・Please understand and purchase with home storage and simple packaging (⁎ᵕᴗᵕ⁎) ・Please check the actual photos for the condition of the product ♪ ※ In order to sell at a slightly lower price, we may ship the item after taking it out of the box due to shipping costs. \#Yuri ❤️ Instant purchase ⭕️ 24-hour shipping! The product list is here ✨ ☜ Size - M4, Inner Diameter: 4.1mm / 0.161"; Outer Diameter: 10mm / 0.394"; Thickness: 2.5mm / 0.098". 6061 Aluminum Alloy Material - Countersunk washers are manufactured using high-quality aluminum alloy, providing excellent corrosion resistance and durability. Anodized Surface Treatment - The washers have an anodized surface treatment, which improves corrosion resistance and ensures long-term performance. Long-lasting durability - Made to withstand wear and deformation, and are highly durable, making them a reliable choice for various applications. Wide range of applications - Suitable for decorative applications, adding a polished and professional look to projects, and widely used in construction, machinery, and other industries. 41-260902 uxcell 30 Countersunk Washers M4 Anodized Aluminum Alloy Finish Washers Screw Gasket for Mechanical Accessory Parts Green