1. A series chains:
Simplex: 25-1~240-1
Duplex:25-2~240-2
Triplex: 35-3 ~240-3
Quadruplex: 40-4~240-4
Quintuple: 40-5~240-5
Sextuple: 40-6 ~240-6
Octuple: 40-8 ~240-8
2. B series chains:
Simplex:04B-1~ 48B-1
Duplex:04B-2~48B-2
Triplex: 06B-3 ~48B-3
Quadruplex: 08B-4 ~ 48B-4
Quintuple:08B-5 ~ 48B-5
Sextuple: 08B-6 ~48B-6
Octuple: 08B-8 ~48B-8
Colors available: Natural, yellow, blue, black
Materials: Alloy, Carbon steel, stainless steel