Non slip heavy 0. 04 inch thick stainless steel ruler with smooth grinded & polished edges - 0. 04 inch thick stainless steel ruler, heavy enough and thick enough to keep from sliding on paper and not easy to be bent. More grinding and polishing process than other suppliers ensure the edges smooth and draw line straight, safer to you and your kids.

Unique design graduation to both ends makes it possible to measure directly at any corners with high accuracy - Metal rule with 0 starts from the edge and easy reads to the end, no space left on both ends, so you could easily and directly measure at any corners with high accuracy. (Do not like the others, the marking stops before the ruler end)

Inch & cm & mm marking well etched and inked is easy to read and not to rub off - Etched by high precision process and inked after that ( not just printing on it) , the stainless steel metal Ruler is easy to read and more durable. This stainless steel metal ruler is great choice for kids, office, school, and engineering and crafting use.

Direct switch between Inch & cm measure by separate marking & conversion table at back side - Make the graduation for inch and cm separately at each side, you could read the markings directly by simple turning over the metal ruler. Conversion table at the backside could help you make conversion fast between inch and cm.

No-Questions-Asked , 100% Money back if new metal rulers are defective or you are not happy with them.