This is a A-CL35M Metric Connecting Link w/ Spring Clip PN: CL35MMain Description As Following : A-CL35M Metric Connecting Link w/ Spring Clip P.N: CL35M Used W/ RCKE38732 Metric Roller ChainPitch: 3/8" / 9.525 MMWidth: 7/32" / 5.72 MM Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Metric Roller Chains and Attachment Links, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Used W/ RCKE38732 Metric Roller Chain Pitch: 3/8" / 9.525 MM Width: 7/32" / 5.72 MM