✔ 50 Pcs, 5 Sizes, M6 Hex Socket Button Head Cap Screws, Thread Pitch 1.0 mm, Assortment of Different Thread Length from 8 to 20 mm: M6 x 8, M6 x 10, M6 x 12, M6 x 16, M6 x 20
✔ Screw Composition: Stainless Steel 304, Durable and Resistant to Corrosion in Different Environments.
✔ Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength And Anti-rust
✔ Package: 50 Pcs M6 Stainless Steel 304 Hex Socket Button Head Cap Screws and 1 Pcs Hex Key Come in a Sturdy Easy-use Storage Case, Organized Conveniently and Easily
✔ 1 Pcs Hex Key, Hex size: 4.0 mm, Good to Drive These Screws Conveniently and Easily