This set of stainless steel steak knives will last you a lifetime. Each knife has a 2.5mm gauge, is put through 25 production stages before they are stamped, polished, and packaged. The knives are also rust resistant and dishwasher safe. This set comes in a beautiful beechwood box, which makes them a perfect gift.Stainless steel handle, mirror-polish Stainless Steel Blades Certificate of AuthenticityCare Instructions: We recommend washing your cutlery gently by hand under running hot water and to wipe it off immediately after. However, most of products, apart from those with natural wood handles, are dish-washer safe.