Description:Because of excellent workmanship, the bolt is sturdy and durable, and the surface is flat and smooth without burrs.The force is even and not easy to slip because the screws are neat and clear.Made of high quality 304 stainless steel material, the bolt can offer good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas.The length of the bolts is 8-25mm. There are many types of bolts , nuts and washers in this set to meet your different needs.It is suitable for home, office, etc. Standard inner hexagon can make the tool install quickly to save time.Item Name: Hexagon Socket BoltsMaterial:Stainless SteelSurface Treatment: Natural ColorSize Details:17cm x 10cm x 2.2cm/6.69" x 3.94" x 0.87" (Approx.)Notes:The quantity is about 210pcs, 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 product's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:15 X 8mm Bolts15 X 10mm Bolts15 X 12mm Bolts15 X 16mm Bolts15 X 20mm Bolts15 X 25mm Bolts60 X Washers60 X Nuts