Color as shown.Size: 18 x 10 x 3 cm weight:600 grams about this article【Durable for long term use】 - High quality 304 stainless steel provides strength and good corrosion resistance in many environments.【Storage area under tension】 - Have enough contact surface under tension that can be screwed on more tightly.【Case Transparent case for quick access】 - All bolts and nuts are packaged in a sturdy plastic box, this set is organized by size/type in a clear storage box for quick access and protection.【Use】Widely used in home and office appliances, communications equipment, ship assembly and other machinery industries, furniture, car and motorcycle repairs and DIY inventions! Can also be used for fastener storage boxes, industrial and construction fasteners. Ideal for use in confined areas where the head needs to be flush or below the surface.