These Non-Sparking Diagonal 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 | Dmax mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | ||
| 200 | 34 | 510 | 560 |
| 250 | 48 | 840 | 930 |
| 300 | 50 | 1330 | 1470 |
| 375 | 60 | 1610 | 1780 |
| 450 | 76 | 2400 | 2650 |