CO RODE 500pcs Laptop Notebook Computer Screw Kit Set for IBM HP Dell Lenovo Samsung Sony Toshiba Gateway Acer Laptop Screws Kit 500Pcs Material:Alloy steel, oxidative blackening Perfect for repair laptop. Popular size:M2;M2.5;M3 Compatible with All universal laptop. Such as IBM HP Mac Dell Lenovo SAMSUNG Sony Toshiba Gateway LG and so on