Precision meets versatility with the SPI 3/8 to 1/2" Adjustable Parallel. This high-quality machining tool measures 1-3/4" long by 9/32" thick, providing the perfect balance of stability and maneuverability for your setup needs. Designed for professional machinists and toolmakers, this adjustable parallel allows for precise workpiece positioning and measurement in various machining operations. The adjustable design lets you dial in exact dimensions between 3/8" and 1/2", eliminating the need for multiple fixed parallels. Manufactured by MSC Industrial under the trusted SPI brand, this parallel (part #14-872-6) is built to withstand the rigors of daily shop use while maintaining accuracy. An essential addition to any quality control department or machine shop where dimensional accuracy is paramount.