The Small Item Storage Bins are designed to organize small items like nuts and bolts and can hang securely on both GearWall® Panels and GearTrack® Channels. The locking tabs allow the bins to be stackable on a Modular Workbench or inside of a Gladiator® GearBox. The large opening on the front provides easy access so you can easilyreach smaller items. These stackable storage bins also come with 10 stick-on labels for quick identification and easy organization.