These Non-Sparking Socket Wrench Triangular 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.
| C inch | L mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | ||
| 1/2 | 80 | 170 | 186 |
| 3/4 | 110 | 480 | 530 |
| 1 | 132 | 900 | 1000 |