Specifications: Made of high quality material, it is durable, wear-resistant and easy to use. All of screws will be packed in a sturdy plastic box, which can be used as a storage box. These screws features durable to provide enough force, which is more convenient and quick to use. There are many types of screws, nuts and washers in this set to meet your different DIY needs. Item Name: Screw Nuts Set Material: Carbon Steel Quantity: 1080Pcs Features: Durable, Widely Used, with Storage Box Box Size: 19.5cm x 13cm x 3.6cm/7.68" x 5.12" x 1.42" (Approx.) Notes: The quantity is about 1080pcs, due to manual calculation, the quantity might has 2-10pcs more or less, hope you can understand, thank you. Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 20 x M2 x 4 Screw 20 x M2 x 6 Screw 20 x M2 x 8 Screw 20 x M2 x 12 Screw 20 x M2 x 16 Screw 20 x M2 x 20 Screw 120 x M2 Nuts 120 x M2 Washers 20 x M3 x 4 Screw 20 x M3 x 8 Screw 20 x M3 x 12 Screw 20 x M3 x 16 Screw 20 x M3 x 20 Screw 20 x M3 x 30 Screw 120 x M3 Nuts 120 x M3 Washers 20 x M4 x 6 Screw 20 x M4 x 10 Screw 20 x M4 x 14 Screw 20 x M4 x 18 Screw 20 x M4 x 20 Screw 20 x M4 x 30 Screw 120 x M4 Nuts 120 x M4 Washers