Rexnord: 40-3 Connecting Link Ameican Std Triplex Conncting Links American Standard Roller Chain - DIN8188/ISO 606 (ANSI B29.1). With RexPro, Rexnord set a new standard for quality chains. The RexPro chain is the result of further developing the Rexnord high performance chain. Over a timespan of four years the combination of selected steels, optimised manufacturing and the RexPro lubrication have all achieved these outstanding product characteristics. MPN: 40-3-VGL-E EAN: 40-3 Connecting Link Ameican Std Attributes: ISO/ANSI Reference: 606 MFR Part No.: 40-3-VGL-E Product Type: American Standard Connecting Link Standards Met: Manufactured to DIN8188 - ISO 606:2004