Precision rules manufactured from hardened stainless steel matt chrome plated. The clear black graduations of 0.5mm, mm, 0.5cm, cm and 1/64″, 1/50″, 1/32″, 1/20″, 1/16″, 1/10″, 1/2″, and inches on the reverse are permanently etched for long service life. Packed into vinyl wallets.
