Metal Stainless Steel Ruler, Metric Imperial Measurements Measure Rules, One side is in Cm and opposite side is in inches  - 12inch, 8inch & 6inch, 15cm 20m & 30cm. 

Stainless Steel Metal Ruler,  Metric & Imperial, Conversion tables on end of the ruler. 

PLEASE NOTE :  12" RULER IS NOT THICK - ANY QUESTION PLEASE ASK BEFORE YOU BUY