Details of the swivels:
Size Length weight Stress
0# 12mm 0.3g 4Kg
1# 16mm 0.4g 5Kg
2# 18mm 0.56g 8Kg
3# 20mm 0.78g 10Kg
4# 23mm 1.16g 15Kg
5# 28mm 1.7g 20Kg
6# 30mm 2.4g 25Kg
7# 34mm 3.9g 30Kg
8# 37mm 5.6g 40Kg
9# 40mm 8.6g 50Kg
10# 46mm 11.6g 60Kg