Owner Solid Ring Micro
It is just right when using a small jig. It is a solid ring of micro class size. Because it is designed with reduced thickness, even a small ring can be used without being damaged. Of course precision and polishing process is not compromised even in micro class.
#3.5 - 9pcs per pack, Strength: 47lb.
#4.5 - 9pcs per pack, Strength: 40lb.
#5.5 - 8pcs per pack, Strength: 64lb.