The Grainger website features boltless metal shelving components including end plates, center plates, and post caps. The end plates and center plates are made of steel and have holes to allow for boltless assembly. They come in various sizes to fit common shelving depths. The post caps are plastic and snap onto the top of upright posts to provide a finished look. These components allow for versatile storage solutions that can be reconfigured as needed. The metal construction provides strength while the boltless design enables quick assembly. With a range of sizes, these plates and caps are useful for assembling industrial, commercial, or home shelving units.