Review on 📦 Shop Fox D3034 26-Inch Full Extension Drawer Slide with 100 lb Capacity - Side Mount Pair by Eric Webb

I have purchased and used these Fox slides before. It appears that this set was bought and returned by someone. I find bent parts. I fixed it. But now the gates are set and will NOT close except 2/3 of the way. I've installed full extension slides many times, why don't they close? The small locking mechanism in the middle of the rail is not accessible during installation! You can use it to REMOVE the box, but you can't get it to allow a full install. Looks like FOX sent a set that someone tampered with and sent back. CHECK if your package appears to have been opened before, then refuse or yo9u will be stuck with junk! DOES ANYONE KNOW HOW TO OVERCOME THE BLOCKING PREVENTING COMPLETE INSTALLATION? -- 2/3 of the way, and the draw will not close any further. Many Thanks