Sugihara Ro-tsuke welded snaps are quite sophisticated snaps. Wires are all made of SUS H/B NI steel. Heavy strength models.
7pcs packed. Proudly made in Japan by artisans.

Snap length.
#0 16kg 10mm, up to 16lb nylon lines
#1 20kg 12mm, up to 22lb nylon lines
#2 26kg 14mm, up to 30lb nylon lines
#3 35kg 16mm, up to 40lb nylon lines