15-piece roller punch set with sizes from 1/8 inch to 5/16 inch. This versatile kit is essential for fine work in watchmaking and detailed projects. Interchangeable hammer heads: includes a double-sided hammer with brass and nylon heads, easily swapped to match material and task for efficient handling of different materials. Durable construction: made from high-quality materials and precision engineered for long-term use, designed to maintain performance over time. Efficient storage: comes with a sturdy plastic storage case to keep tools organized and easily accessible, reducing workspace clutter. Use scenarios: - Watchmaking and other precision assembly tasks that require small, clean impressions. - Leather crafting and jewelry work that benefits from gentle stamping without surface marring. - Hobby metalworking or model making that needs controlled indentations and pin setting.