Our Mill Finish Aluminum is the most popular finish because of its affordable pricing, light weight and the fact that the tiles will not rust. Although they will not rust, they will oxidize and they have to be primed and painted from the face side. These tiles are about half as heavy as our Tin Plated Steel Tiles and are also easier to work with as Aluminum is a softer metal. They also come in Nail up and Drop in types and you can too use them in your home or business. The size is 2×2, weight is 1.6 pound and can be easily cut with a pair of thin snips. All CTBU Inc products are made to order, and therefore, have a lead time of 10-20 business days. Specialty finishes are unable to be returned or cancelled. There is a 25% cancellation fee on ALL cancelled orders, and a 50% restocking fee.. Inspect all items upon receipt for damage and quantities; must report discrepancies within 7 days of receipt. NO returns will be accepted after 7 days.Please order 5%EXTRA for any possibility mistakes.