Pro-Line, Wire Harness Assembly Table Bench Workstation Ergonomic Design Improves Productivity and Cycle Time. The Model MWH is a Manual Height and Tilt Adjustment Cable/Wire Harness Assembly Table/Workbench and features a 60 degree, 13 position manual tilt. When the MWH is fully tilted, the front edge of the board adjusts from 24" to 36" via hand crank. The Model EWH is.. Ergonomic Wire Harness Workbench - 1proline Basic Workstations. Wire Harness Benches. The EWH (Electric Height Adjust, Wire Harness) and the MWH (Manual Height Adjust, Wire Harness) workbenches are designed for the ergonomic assembly of wire harnesses. Both models feature a 72" long x 36" wide platform capable of holding boards from 24" wide x 24" long, up to 48" wide x 96" long.