This 15 piece 1/4 in and 3/8 in Drive tool Accessory set is portable and can easily be transported between work areas. This set features a removable inner tray designed to fit in most tool chests with standard height drawers. This set is part of a full storage solution under the DeWALT® brand that contains other interlocking stackable sets giving a user freedom to customize and carry their tools. DeWALT® ToughBox™ Accessory Tool Set, Specifications: 1/4 in, 3/8 in Drive, 15 Piece, Case Tool Storage, Tool Storage Included: Yes