Discover the precision and reliability of our 300mm External Spring Caliper, designed for accurate measurements of opposite sides of objects. This essential tool features an adjusting washer and nut, allowing for quick and easy positive adjustments to ensure you achieve precise measurements every time. The brushed metal finish not only enhances durability but also provides a sleek, professional look. ### Key Features: - **Capacity:** 300mm - **Net Weight:** 0.29kg - **Type:** External Whether you’re a DIY enthusiast or a professional tradesperson, this caliper is perfect for your workshop needs. Explore our extensive range of tools and workshop equipment, with over 10,000 products available to suit every job, big or small. If you need assistance or cannot find what you're looking for, don’t hesitate to reach out to our friendly support team. We are here to help you find the right tools for your projects.