Cast Iron Measuring tools Bridge type straight edge:
| The specification | |
| Standard | GB/6092-85 |
| Material | HT200-250 |
| Precision | 0,1,2,3 Grade |
| Size(L*W*H) | 500*60*30-6000*175*80mm or customized |
| Weight | 1kgs-120kgs |
| Working environment temperature | (20±5)ºC |