Material: Carbon Steel Item Dimensions Lxwxh: 4.33 X 2.76 X 0.59 Inches Brand: 355 Pieces Laptop Screw Set Pc M2 M3 M2.5 Screw Standoffs For Universal Laptops And Ibm Hp Dell Samsung Sony Toshiba Gateway Acer Lenovo Laptops Durable And High Quality Steel Available Sizes: M2, M2.5, M3, 355 Pieces In Total Suitable For Repairs With Laptops With A Clean Container, You Can Save All The Screws So You Can Easily Get The Size You Need