Features and Benefits:�Stainless steel construction�32 and millimeters on front, conversion table on back�Permanent and accurate photo-engravings/electrolytically etchings�Sub zero feature allows 32SDS and 64ths readings from right to left below the 0 mark�Slim design ideal for storage in pockets and tool boxes�1 year limited warrantyThe Empire 6 in. Stiff ruler is the perfect tool to use for your measuring needs. It has a wide variety of etched graduations in both in. And metric scales, which will give the user value and convenience. The ruler is made of stainless steel, which will give you many years of continued use.