This is a 1-piece industrial transmission chain compatible with CNC machinery.It is designated as 04C type, with a total length of 5000 mm (5 meters).The chain features a two-point configuration and is constructed from carbon steel with quenching treatment.It meets standard A-series short-pitch roller chain specifications for single-row applications.The chain is designed to fit sprockets with tooth counts ranging from 8T to 55T in the 04C series.It is intended as a replacement part for existing 04C chain systems and restores function without modification. This is a non-OEM replacement.Any mention of brand names is strictly for compatibility clarification.