Model Number: - The specific model number for this multipurpose hole size measurement gauge ensures you can easily find and reference it for needs or when recommending it to others in . Electronic: No - Designed purely mechanically, this gauge does not rely on electronic components, making it ideal for environments where electronic devices might interfere with accuracy or are impractical. High-concerned chemical: None - This product is free from high-concern chemicals, ensuring it is safe and environmentally friendly for use in various industries, including metalworking and other -required environments. : Metalworking - Perfectly suited for metalworking projects, this tool helps in accurately measuring or lens holes, making it a valuable addition to any DIY enthusiast's toolkit., Manufacturer: Aundhegrtt