Size : 7 cm Type: Patented dimple key with security sensor. NO. of rows: 2 NO. of pins: 8 Technology: Tumbler regular. Permutation level: Grade 6. Corrosion resistance: Grade B Anti pick cylinder lock (High resistance.) Bump proof system. Drill protection grade 2. Key copies protected with security card. Clutch of double security. 5 patented keys made of nickel silver. Master key systems: High capability using side pins and multi profile key ways. For More Information Click Here