Description: QUALITY:Made of high quality stainless steel,the thread is deep and clear without burr,rust proof,wear resistant and durable.. SIZES:Total 500Pcs 18 different sizes (Each size type is about 27pcs) electronic mini screws,different sizes can meet your different needs.Small screws can help you with all for micro repairs FEATURE:Uniform force,easy to lock,not easy to slip,more convenient and quick to use. WIDELY APPLICATIONS:These min screws are widely used for,computers,electronics,electrical appliances,furniture,toys or anything else repair that requires small screws. Storage Case:An organized case means that you can always find the size you need,and quickly find what you need through the size chart attached to the cover.NOTE:Please do not let the children play to prevent inadvertent swallowed. Specifications: Material:stainless steel Size: Style A:Round Head:1.2x2 1.2x2.5 1.2x3 1.2x4 1.2x5 1.2x6 1.4x2 1.4x3 1.4x3.5 1.4x4 1.4x5 1.4x6 2x3 2x4 2x5 2x6 2x8 2x10 Style B:Flat Head:1.4x2 1.4x2.5 1.4x3 1.4x3.5 1.4x4 1.4x5 ; countersunk Head:1.2x2 1.2x3 1.2x3.5 1.2x4 1.2x5 1.2x2.5 2x3 2x4 2x5 2x6 2x8 2x10 Style C:Round Head:1.2x3 1.2x4 1.4x2 1.4x3x1.4x3.5 1.4x4 1.4x5 1.4x6 2x3 2x4 2x5 2x6 2x8 2x10 ; countersunk Head:1.2x3 1.2x3.5 1.2x4 1.2x5 Style D:Round Head:1.2x3 1.2x4 ; Flat Head:1.4x2 1.4x2.5 1.4x3 1.4x3.5 1.4x4 1.4x5 ; countersunk Head:1.2x3 1.2x3.5 1.2x4 1.2x5 2x3 2x4 2x5 2x6 2x8 2x10 Note: Please allow slightly errors due to manual measurement and different monitors. Package included: 500pcs Mini Screw Nuts