The Vintage Arnold Mfg. Co. Cam-Dwell-Indicator Tool in Case is a high-quality, rust-resistant tool that offers an accurate and easy-way to check cam dwell on vintage engines. Made by Arnold Mfg. Co., a renowned name in the automotive industry since 1939, this tool is designed to provide reliable results without compromising on precision. Its case, crafted from tough, corrosion-resistant material, ensures durability and longevity. Inside, it houses a precision-machined Cam-Dwell Indexer that can be quickly adjusted for different engine cam shapes. The tool's simplicity and ease of use make it an ideal choice for amateur mechanics and enthusiasts alike. With its versatility and exceptional build quality, the Vintage Arnold Mfg. Co. Cam-Dwell-Indicator Tool in Case is a must-have for any garage or workshop.