The Suncast Vertical Shed wire shelf plastic clips will degrade and fall apart over time. I modeled replacement clips of various lengths in 2mm increments because the holes don't always line up.
I also recommend replacing the screws with stainless steel. I used Everbilt #10 x 3/4 in. Stainless Steel Phillips Pan Head Sheet Metal Screw (25-Pack):
Suncast Vertical Shed BMS1250
https://www.suncast.com/22-cubic-ft-vertical-shed-1.html
Suncast Metal Wire Shelf Rack BMSA7S
The author marked this model as their own original creation.