The Samsung DA96-00640A Refrigerator Rail Assy W/Harness is a replacement part made particularly for Samsung refrigerators. It combines a wire harness and a rail assembly, which are two necessary parts.This is especially useful for regularly used drawers or ones that hold hefty things. In contrast, the wire harness provides signals and power to several parts, including temperature sen... https://www.hnkparts.com/da96-00640a-smg-rail-assy-wharness