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Best Choice MARBIG(R) 
MARBIG(R) 975317B Ruler 30cm Clear Plastic Strong and durableBest Value Viaky 
3 Pieces Stainless Steel Ruler Viaky Metal Ruler, 12 Inch(30cm) + 8 Inch(20cm) + 6 Inch(15cm),Perfect Straight Edge for 【3 Different Measurement Range Ruler】 6 inch,8 inch and 12 inch suitable for different measuring jobs.Often Used by Carp
Double Sided Stainless Steel Metal Ruler Rule Precision 15cm 20cm 30cm 6" / 150mm / 15cm. 12" / 300mm / 30cm. 8" / 200mm / 20cm. 12", 8" & 6" Stainless Steel Ruler.Bantex 
Bantex, Wooden Ruler, 30cm, Polished, Brown, Ideal for School, Home or Office Usage Perfectly suited for the requirements in the school as well as in the study and at work
3D Multi-Angle Ruler Square Protractor DIY Aluminum Alloy for Engineer Carpenter Anodized Surface for Precision: The surface of the square protractor is anodized for enhanced hardness and wear resistanMARBIG(R) 
Marbig Ruler 30cm Colour Fluorescent Colours: Available in blue, green, pink, and purple.STAEDTLER 
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