Estink Watch Mainspring Winder Set, 20 Sizes Copper Clock Repair Tool

Key Features

• [20 SIZE SET] Includes 20 different winding to match a wide range of watch sizes and movements helping watchmakers and hobby users handle work with better fit and control.
• [COPPER BUILD] Made of durable copper with composite wood storage this set is built for repeated repair use and offers reliable strength long service life and organized everyday handling.
• [MANUAL CONTROL] Designed for manual winding and installation this tool helps keep spring shaping consistent during repair assembly and overhaul of mechanical watches.
• [WOODEN STORAGE BOX] All winders are arranged in a compact wooden box about 20.5 x 13.8 x 6 cm making selection storage and transport more convenient for bench work or shop use.
• [PRO REPAIR USE] Suitable for watch maintenance professionals repair shops collectors and DIY enthusiasts this set supports different watch and helps simplify detailed service tasks.