AWJUWHBJ 20 Sizes Mainspring Winder Replacement Barrels Horology Maintenance Tool with Wooden Storage for Watch Repair Tasks

Engineered for accuracy, this toolkits features ergonomic storage and specializing winder heads suitable for 20 types calibers for seamlessly spring installation Suitable for workshops, watch repair station, or home studios for servicing automatic movement, replacing mainsprings, or restoring wristwatches to better performances Great for watchmakers, horology technicians, and meticulous watch enthusiasts requiring maintenances solution for luxury timepieces and watches The tool set includes a reinforced handle and 20 winder adapters, organized systematically for quick access during intricating repair procedures Professional Watch Mainspring Winder Set with 20 type tool,corrosions resistant copper and housed in a wood storage box, ensures precise winding for most watch types