Description:Two types of screws are included, which respectively are flat-head hexagon screws and countersunk hexagon screws, and with the ten specifications of them, this set is pretty practical and versatile enough to meet your different needs.Produced with the choice material and exquisite workmanship, these screws have neat, clear and uniform threads, which are capable of bearing force evenly and are not easy to slip.These screws are mainly made of 304 stainless steel, which is anti-rust and durable.The length of the storage box is 13cm, the width is 6.5cm and the height of it is 2.3cm.This set is suitable for machine repairing, appliance maintenance, workshop and so on.Item Name: Hexagon ScrewsMaterial: 304 Stainless SteelStructure Type: Flat Head, CountersunkSize Details: 13cm x 6.5cm x 2.3cm/5.12" x 2.56" x 0.91" (Approx.)Notes:The quantity is about 200pcs, due to manual calculation, the quantity might has 1-5pcs more or less, hope you can understand, thank you.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:200 x Screws (20 x 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm Screws)