This Jewelry Saw Frame is a precision hand tool designed for detailed cutting applications in jewelry making, watch repair, key crafting, and fine model work. Measuring approximately 5.5” (140mm) in throat depth, it provides excellent control and accuracy for intricate designs. The set includes 144 blades, allowing you to tackle various materials such as metal, plastic, and paper with ease. The adjustable frame ensures a snug fit for different blade lengths and consistent tension for cleaner cuts. A reliable choice for professionals and DIY enthusiasts alike.