CONDITION: Brand new in boxes - total of 5 pairs (FIVE PAIRS) with each pair in its own individual box.

This brand and model has over 3,000 positive reviews on AZ, where they cost $99 for a set of 6 plus taxes as of this writing.   Link at bottom.
 
Details:
Number 5 pairs
Material Steel with Zinc Coating
Brand LONTAN
Product Dimensions 22"L x 0.5"W x 1.77"Th
Finish Type Zinc Plated
 
Soft Close: The drawer slides equipped hydraulic damper which allows the slides achieve soft close effect. Double spring design make less noise when close and open, create a warm and quiet family environment for you.
 
Material LONTAN drawer slides are made of high grade cold-rolled steel with zinc plated finish, heavy-duty and durable, load-bearing. Solid ball bearing ensure sooth opening and closing, can serve you many years. You would feel the quality when you receive.
 
Double Anti-drop: LONTAN soft close drawer slides have double anti-drop function. It would prevent drawer separate from cabinets. Easy to take down and clean.
 
Measurements: Length22inch(550mm); Width:1.77inch(45mm); Thickness: 1/2inch(12.7mm);
 
Load-bearing capacity: 100 LB. Please choose the right size before you purchase our heavy duty drawer slides.
 
Link:  https://www.amazon.com/Pairs-Extension-Drawer-Slides-Bearing/dp/B0BJ1RDC7C/ref=sr_1_1_sspa?crid=1ABRDP6R3ZTVE&dib=eyJ2IjoiMSJ9.orCH5moSdj0WCgiuUCkOfHUEXccuDL8rIjBnppfdEVT4w18AXgqi8Wn01Hr0FJAZTyN3bhiwTUzBs6LPJxBC5cvQmbUx0rw7uS8K37v9gMDEcDyGDilSHnT4perO2VpBUPULtQRwZlO2A3XqJg6kVKAaC17eDglS1HURaXsVq8roSxMKLt9wJAtrn53KQcTOWc7yfdk0oS_-7HTy7NdmSfFoBH3RfwCpm207m2k2tibZ-tiukXKhv4xd-NLd8KIMPA1IHeppzVIcvYgcfRlG6ivoOOqfAFTPmMS7GCVQhnQ.rXEFZgMUR9U5DfrAlUtE8kj7v6QGsfY3ZMqO9cqL-EQ&dib_tag=se&keywords=lontan%2B100%2Bcapacity%2Bsoft%2Bclose%2Bdrawer%2Bslides%2B22%22&qid=1761516829&sprefix=lontan%2B100%2Bcapacity%2Bsoft%2Bclose%2Bdrawer%2Bslides%2B22%2B%2Caps%2C137&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&th=1