Width:1/8"" Chain Number: 25Master Link for #25 Roller Chain
Width:3/16"Chain Number: 35Master Link for #35 Roller Chain
Width: 5/16" Chain Number: 40Master Link for #40 Roller Chain
Width: 1/4" Chain Number: 41Master Link for #41 Roller Chain
Width: 1/8" Chain Number: 43, 410Master Link for #43, 410 Roller Chain
Width: 5/16" Chain Number: 420Master Link for #420 Roller Chain
Width: 5/16"Chain Number: 428Master Link for #428 Roller Chain
Width: 3/16" Chain Number: 42, 415Master Link for #42, 415 Roller Chain
Width: 3/8" Chain Number: 50Master Link for #50 Roller Chain
Width: 1/2" Chain Number: 60Master Link for #60 Roller Chain