Ametric 03B-1 ISO, 5 Meter Box, Single Roller Chain, 02X5M Ametric Part No, 5 mm Pitch(P), 2.5 mm (b1), 3.2 mm (d1), 7.4 mm (I), 5x2.5, 1.49 mm Pin Dia,(1-005): Amazon.com: Industrial & Scientific
Handy tool to instantly determine the pitch of a roller… | Interflon