Owner Cultiva Ultra Wire P-25 Split Rings Strongest, 2 times stronger than Owner P-12 rings
This Ultra Wire split rings are the very best in market for heavy duty use. These rings won't bent open. Wires are thick and very strong. You will need a quality opener to use these rings. Made in Japan
#3 75LB 0.24g inner dia 4.5mm
#4 90LB 0.32g 5mm
#5 110LB 0.41g 5.5mm
#6.0 150LB 0.6g 6mm
#7.0 215LB 0.77g 7mm
#8.0 240LB 1.12g 8mm
#9.0 320LB 1.570g 9mm
#10.0 370LB 2.35g 10mm