500pcs Laptop Notebook Screws Kit Set For IBM HP Dell Lenovo SAMSUNG Sony Toshiba Gateway Acer etc Made of alloy steel. Blacken design. Each Size 50 pcs, total 500pcs in a plastics case packed It is very convenient for you to repair the laptop. Detail Laptop screw size please check below description. Compatible with All universal laptop. Such as IBM HP Mac Dell Lenovo SAMSUNG Sony Toshiba Gateway LG and so on