LINCOLN INDUSTRIAL, 4.4 Grease Fitting, Straight, Zinc Plated Steel, Metallic The LINCOLN INDUSTRIAL LNI-91108 is a high-quality grease fitting constructed from zinc plated steel, designed for reliable lubrication in a variety of applications. This fitting ensures consistent grease delivery, contributing to extended component life and reduced downtime for your fleet. Built to meet or exceed industry standards, the LNI-91108 offers a dependable solution for maintaining critical lubrication points.