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                    Triangular Engineering Scale Ruler by Ferocious Viking with Color-Coded Grooves with Fractions of an inch 1:10, 1:20, 1:30, 1:40, 1:50, 1:60
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						GIC1XGIPGIZH
                    
                
                
                        
                        
                        
                        
                        
                        
                        
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                    12 inch long acrylic Engineering Triangular Scale Ruler with fractions of an inch 10, 20, 30, 40, 50, 60. Designed for accuracy and longevity. The design is the classic symmetric...