Seiko Diashock Spring Tools

These Diashock spring tools have a rectangular tip with a cutout in the middle which allows you to push on the ends of a rectangular Diashock spring and rotate it in and out of a setting. A .2mm nozzle is highly recommended for this model.Four sizes are included (width x cutout width)1.5mm x 1.1mm (black)1.75mm x 1.25mm (blue)2mm x 1.25mm (green)2.25mm x 1.5mm (yellow)the blue size works perfectly for the balance springs on an NH35 and similar, the other sizes are included for variety but have not been tested with any specific models. if printing in color i suggest printing one at a time to minimize wastea gridfinity holder is included as a separate print profile