I googled around to find the part number, ordered the part and replaced it. I was initially advised to get a different piece than I had searched for. I was advised to get the "crisper drawer" rail handle instead of the "cheese drawer / snack pan" rail handle. The piece I was advised to get was wrong, but the company immediately fixed their mistake without any hassle or delay. The description of the part was also correct in that it did not contain a screw or wheel so I knew to salvage that from my broken rail. The only issue was that 1 of the 3 holes the screw goes into wasn't present on one of the new rail handles, but it still worked. And oddly it was present on the other guide rail.