【Product Type】: This repair tool set is a watch lathe accessory designed as a precision expanding collet set for case and back-cover work.
Watch Back Cover Repair Chuck High Precision 8 Mm Watch Lathe Collet
Watch Back Cover Repair Chuck Wear Resistant Expanding Mandrel for Grinding
Watch Back Cover Repair Chuck Wear Resistant Watchmaker Chuck for Grinding Work
Watch Back Cover Repair Chuck High Precision Watchmaker Chuck for Watchmakers
Watch Back Cover Repair Chuck High Precision Expanding Mandrel for Watchmakers
Watch Back Cover Repair Chuck High Precision Expanding Mandrel for Grinding
