Home Depot HDX 5-Tier Plastic Shelve Compatible Riser Spacer

3D Printed Made to Order(items may have small imperfections due to the FDM 3D Printing process)THESE ARE NOT SOLD AS SETS! They are sold as Individual Items! These allow you to increase the height of individual shelf sections by 1 inch using a total of 4 per shelf inserted into the top of the leg holes. These are compatible with these Shelve sets. HDX Gray 5-Tier Plastic Garage Storage Shelving Unit (36 in. W x 72 in. H x 24 in. D) (Model #128974)HDX Gray 5-Tier Plastic Garage Storage Shelving Unit (36 in. W x 72 in. H x 18 in. D) (Model #127932)HDX Black 5-Tier Plastic Garage Storage Shelving Unit (36 in. W x 74 in. H x 18 in. D) (Model #241592)This allows you increase the height of individual shelf sections by 1 inch using a total of 4 per shelf inserted into the top of the leg holes.Discounted Blemished ones are sometimes available, check the listing. (Blemished means that they have cosmetic Issues such as major dents, pits, discolorations) Compatible Risers, Feet, Caps & Connec