● 【High Quality 】: Our Cap Allen Socket Head Screws & Washers Are Made from Aluminum Alloy, Which Provides Excellent Corrosion Resistance and Rust Prevention, Ensuring Long-lasting Durability. Surface Treatment Anodize

● 【Widely Used】：Aerospace Industry, Aviation Model Toy Accessories, Production of High-end Aluminum Alloy Bicycle Frames, Golf Heads, Mechanical Equipment, Mold Processing, Computer Accessories, Etc

● 【Vibrant Colors】 ：Add Style and Uniqueness to Your Project with Our Colored Aluminum Screws. Available in a Variety of Vibrant Colors, They Are Perfect for Enhancing the Visual Appeal of Your Piece.

●【CONVENIENT SEE-THROUGH BOX】：All of screws & Washers are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. The box is clearly labelled so that you can quickly identify the size you need by the label.Not only give you the best product, but also the best storage system for them.