An Idler Driver Tool applies controlled force to move a collar onto an idler shaft during assembly operations. The driver establishes a fixed depth stop, allowing the collar to be positioned consistently without manual measurement. Controlled contact ensures repeatable placement across multiple assemblies. The driver supports uniform results by limiting overtravel during collar installation. Reduced adjustment steps help shorten preparation and handling time during assembly tasks.Attributes:• Applies controlled force to advance collars onto idler shafts.• Establishes a fixed depth stop during collar installation.• Eliminates the need for manual depth measurement.Applications: An Idler Driver Tool is used to install collars onto idler shafts, setting correct depth automatically and ensuring accurate alignment during idler assembly operations.