This Listing is for a lot of 3 very practical 7pc Craft Hobby knife sets. Each set has 1 handle 6 assorted interchangeable cutting blades. Handle is 4-1/2" long. The blades have various cutting edges. You may notice a dark tan color when zooming in on the blades. This is not rust, it is a grease residue from the tooling of the blades. It smells like axle grease to me. Wipes right off. Also, you will see some white specks on the clear plastic packaging. I inspected this and it appears to be dust of some kind under the plastic on the black tray. It's more pronounced because of my photo booth lights. While there is no cover for the tray, you could use the plastic as a cover. Just use your new set to trim around the tray, trim off whatever side you want to be the hinge, up to the top of the tray, then use a piece of duct tape along that side, attached to the plastic. Makes a great hinge. Redneck ingenuity? Absolutely, but it works. This set is great for scrapbooking trimming plastic models, balsa and other light woods. Just about anything Craft Hobby. Excellent to have in the tool or glove box as well. Thanks for stopping. Please visit my slowly growing store where you can read about me, my policies view my other arts crafts items. David - thediscountretailer