Linex Heavy Duty Ruler 30cm Stainless Steel LXESL30 Linex Heavy Duty Rulers are made from stainless steel for extra durability and feature both metric and imperial measurements. A hole is punched into one end for easy storage and they are supplied in a handy sleeve. This 30cm ruler also features a measuring conversion table on the reverse. For everyday use Convenient conversion table on reverse Supplied in a tough storage wallet with reinforced hanging hole Material: stainless steel Both metric and imperial markings Length: 30cm