These Non-Sparking Amercian Type Pipe Wrench are made of Aluminum Bronze and Beryllium Copper, it is a high quality grade beryllium copper alloy material and a standard grade aluminum-bronze alloy. These tools are non-magnetic and non-corrosion, very suitable used for LPG and LNG vessels, and oil-gas industry etc.
| L mm | Kmax mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | ||
| 200 | 25 | 380 | 420 |
| 250 | 30 | 670 | 735 |
| 300 | 40 | 955 | 1050 |
| 350 | 50 | 1195 | 1315 |
| 450 | 60 | 2050 | 2255 |
| 600 | 75 | 3150 | 3465 |
| 900 | 85 | 5345 | 5880 |
| 1200 | 110 | 11450 | 12600 |