MILLTRONICS MSI BELT SCALE CSTM MSI,7MH71221AU511A, 55-65 IDL MNT. SCALE CONSTRUCTION: STANDARD DUTY BELT WIDTH AND ‘A’ DIMENSION: 36″, ‘A’ = 45″ (1143 MM) LOAD CELL CAPACITY 750 LB (340.2 KG). FABRICATION: POLYESTER PAINTED MILD STEEL SYSTEM SPECIFICATION: STANDARD MSI AND MMI NOTE: STANDARD IDLER MOUNTS OF THE 18″-54″ MSI ARE REPLACED WITH STANDARD IDLER MOUNTS FROM THE 55″-65″. THIS MSI WILL HAVE STANDARD (18″-54″) HANGER BRACKETS.