The Siemens HZ638D00 Cliprail steam accessory is a telescopic oven grid system designed for use with compatible Siemens cooking appliances. This accessory features a retractable top level that operates independently of the standard oven racks, allowing for flexible space management while cooking. Made from durable materials, this steam accessory offers reliable performance and long-lasting durability for everyday kitchen use. The telescoping design allows for easy extension and retraction, facilitating convenient access to food during the cooking process. With standard oven rack dimensions, this accessory integrates seamlessly into Siemens oven systems. The Cliprail system ensures secure positioning in the oven cavity while maintaining stability during use. This component is specifically designed for steam cooking applications and enhances the functionality of compatible Siemens ovens. The accessory provides consistent performance across various temperature ranges typically used in oven operation, from approximately 50 °C to 250 °C. With its robust construction and precise craftsmanship, this steam accessory offers practical benefits for cooking enthusiasts looking to optimize their oven's capabilities. The independent level operation allows for simultaneous cooking on different rack positions while maintaining accessibility. This product represents the standard accessory solution for users who require additional flexible cooking space in their Siemens oven systems.