1、These screws are suitable for computer hard disk, keyboard, memory, motherboard, case etc. 2、The screws set is made of high quality stainless steel material, high hardness, corrosion resistance, durable in use 3、These fasteners feature good fixation, easy to use, practical helper in your Diy assembly process 4、Wide application, in addition of electronic products, there are also electric, electric, chemical, water conservancy, mechanical equipment, furniture and so on 5、This package contains 250pcs screws, including M2, M5, M3, M4, M5, M6, M8, M10 different specifications, convenient to meet different situations Features: These screws are suitable for computer hard disk, keyboard, memory, motherboard, case etc. The screws set is made of high quality stainless steel material, high hardness, corrosion resistance, durable in use These fasteners feature good fixation, easy to use, practical helper in your Diy assembly process Wide application, in addition of electronic products, there are also electric, electric, chemical, water conservancy, mechanical equipment, furniture and so on This package contains 250pcs screws, including M2, M 2.5, M3, M4, M5, M6, M8, M10 different specifications, convenient to meet different situations Specification: Bolt Type:Hexagon Socket(Hex wrench is required to act on the bolt) Material: stainless steel Quantity: 250 Weight: Approx.516g/ 18.2oz   Package list: 3 x 20PCS M2 6 x 20PCS M24 x 20PCS M 2.58 x 20PCS M 2.56 x 20PCS M312 x 20PCS M38 x 20PCS M412 x 20PCS M410 x 20PCS M516 x 20PCS M512 x 15PCS M616 x 15PCS M612 x 8PCS M816 x 8PCS M816 x 4PCS M10 1 PCS Box