Superior quality of stainless steel single flange watch spring bars, are wholly made of environmental
freiendly stainless steel material, precision production and processing, antirust and durable.
short tips: 0.4mm.
Diameter: 1.30mm
13 kinds of different length:  8mm-   9mm-10mm-11mm-12mm-13mm-14mm-15mm-16mm-17mm-18mm-19mm-20mm.
Total 180pcs:10 each of 18 cells, packed in one plastic box.