The VIESSMAN 68053 consists of 2 packs of 10 standard parts measuring 9mm each. These parts are pre-built and ready to go, made of plastic material in a gray color. Designed in a 1:87 scale, these components are suitable for model railroads and trains enthusiasts aged 17 years and up. Manufactured in Germany, specifically for the HO gauge, these parts are ideal for enhancing model train layouts with realistic details and accessories.