The RCBS Stainless Steel Dial Caliper is a high-quality tool that can help handloaders achieve accurate and precise measurements. It features hardened stainless steel construction and has a matte, non-glare finish. The caliper can measure in four ways: inside, outside, depth, and step, providing maximum flexibility and convenience. The caliper has a range of 0-6 inches, with 0.100-inch direct reading per revolution and 0.001-inch graduations. Its accuracy is within +/- 0.001 inch, making it a reliable and precise tool for handloaders.