The original part had a flaw in the attachement area allowing the rail to totally break away from the rear screw. I needed to get the new part and replace the old one.

First I removed the two screws that held the old slide to the refer side wall, (after unloading the shelf and taking out the Veg. draw). I then put the screws in the new slide spots and screwed them into the refer wall using a hand screwdriver (phillips) and put everything back in place. It was about as simple a repair of anything I have had in the past 75 years. I didn't even have to swear.