THESE ARE TINY, please DO NOT buy if you are not familiar.
Buy larger than you think you need.
This size is more for experienced individuals.
Picture is of one on a standard size staple, next to a standard match head.
Outside Diameter: 3.5mm
Hole Diameter: 0.6mm
FULLY POLISHED
Weight:
0.062DWT
( 0.10 grams)