Features: Strong MaterialThe flat repair washers are made of outstanding stainless steel with smooth surfaces, and they are wear-resistant, rust-proof and durable. Package ContentsYou will receive 100 pieces of flat penny washers in 5 different sizes to suit your different usage needs. You can refer to the picture for their size details. Storage Box100 pieces of flat penny washers all come in a total box for easy portability. Size markers on the top of the box for easy identification. Secure HoldOur flat washers can be used to disperse the pressure on the firmware, protect the connection surface, reduce friction and prevent leakage and loosening. Wide UseThey can be applied for the electrical connection of household and commercial appliances, home DIY projects, automobile and marine equipment, etc. and suitable for plumbers, builders, engineers, cyclists, mechanics. Specifications: Material: Stainless steel Color: Silver Size: (Approx)(IDxODxThickness)8x24x2mm/0.31x0.94x0.08inch (20pcs), 10x30x2.5mm/0.39x1.18x0.1inch (10pcs), 5x15x1.2mm/0.2x0.59x0.05inch (30pcs), 4x12x1mm/0.16x0.47x0.04inch (10pcs), 6x18x1.6mm/0.24x0.710.06inch (30pcs) Box Material: PP Color: Clear Size: (Approx)(LxWxH) 13x6.5x2.3cm/5.12x2.56x0.91inch Package Included: 100pcs x Flat Washers Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.