Product specification (optional): Shaft 13mm, thread 5.6mm ; Shaft 16.5mm, thread 8.1mm; Shaft 20mm, thread 12mm; Shaft 22mm, thread 14mm. Small size, light weight and easy to install. We believe the good communication will resolve everything.
This product would be ideal for DIY enthusiasts or clock enthusiasts looking for a quiet and efficient mechanism tool for repairing their quartz clock movements.
