Progressive Solid Alloy Bronze Shoulder Bushings provide alignment between mold halves, yet do not gall the mating leader pins. An oil hole is provided for use when external lubrication is preferred. The Teflon® insert adds lubricity and prevents grease migration to parting line. Progressive Straight Bushings are available in non-plated steel and graphite-plugged. Progressive Guided Ejector Bushings are manufactured from a solid alloy bronze to eliminate galling to leader pins and outperform steel busings. Graphite plugged bushings also available Progressive QC Shoulder Style Bushings are manufactured from a solid alloy bronze to reduce friction and eliminate galling to leader pins. The Teflon lubricating insert is FDA compliant, compatible with commonly used greases and prevents grease migration to parting line