Ball bearing drawer slides stuck. In most cases going with a little lubrication does the trick. But before you run out to the hardware store to buy brand new tracks for sticky drawers try adjusting the track. Check the squareness of the drawer box. How to fix drawer slides.
I had one heck of a time trying to fix my jammed ball bearing drawer with extension slides. Fortunately manufacturers supply replacement slides for just about every application. Reasons lubricants lubrication method other solution more fixing the drawer slides with ball bearings is not limited to one solution. The hardware is somewhat flimsy with small wheels rollers and bearings that wear out and require replacement.
Measure if the front and rear widths of the drawer box are the same and the diagonal is equal. 1drawer slides does not work smoothly possible causecabinet size problem check item 1. Unfortunately over time the lubricant can begin to dry out and the drawer becomes more difficult to open. Changing roller runners to ball bearing slides.
Some tool boxes and cabinet drawers come equipped or installed with ball bearing slides. Do it yourself with hettich duration. Check the squareness of the inside width of the cabinet.