Simplex Roller Chains&Bushing Chains: 04C-1,06C-1,085-1,08A-1,10A-1,12A-1,16A-1,20A-1,24A-1,28A-1,32A-1,36A-1,40A-1,48A-1
Duplex Roller Chains&Bushing Chains:04C-2,06C-2,085-2,08A-2,10A-2,12A-2,16A-2,20A-2,24A-2,28A-2,32A-2,36A-2,40A-2,48A-2
Triplex Roller Chains&Bushing Chains:04C-3,06C-2,085-3,08A-3,10A-3,12A-3,16A-3,20A-3,24A-3,28A-3,32A-3,36A-3,40A-3,48A-3
Chain link include standard links (without attachment) and non-standard links (with attachment).
A1: One-side,one hole cranked attachments.
A2: One-side,two holes cranked attachments.
K1: Both-side,one hole cranked attachments.
K2: Both-side,two hole cranked attachments.
D1: One-side,an extended pin on every outer link.
D3: One-side,two extended pin on every outer link.