0.25mm - 30 ga (589m) This small size (0.25mm), often used in BINDING wire for soldering purpose.
** Big Spool (1kg) >> Matte color **
hole size
Material : Stainless steel 316L (Hypoallergenic Surgical Steel)
Size(approximately): 5.5x3.0mm
for 8mm strap
Size(approximately): 10.0x5.0mm
Size(approximately): 8.5x3.0mm