Features: Brand new and high quality The plastic washers is selected from nylon material, with a smooth surfaces, not easily deformable, strong wear resistance and long service life. We offer you 500pcs of black washers, and you can choose spacers according to the screw size. 8 common Size, multiple Size to meet needs. Black nylon spacer sleeves can reduce frictions, protect part from damage and prevent loose connection between fasteners by increasing surfaces of screws, nut and other part and thus provide protections 8 Size of plastic washers is equipped with classification box. The label classification can quickly identify the appropriate size, easy to use, store and carry. Suitable for long-terms outdoor and indoor work. Suitable for maintenance, decorations, furniture production, equipment, DIY craft product. Specifications: Material:Nylon Package Includes: 100Pcs 2x5mm Washers 100Pcs 2.5x5mm Washers 100Pcs M3x6mm Washers 50Pcs M4x8mm Washers 50Pcs M5x10mm Washers 50Pcs M6x12mm Washers 40Pcs M8x16mm Washers 10Pcs M10x20mm Washers note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.