These Non-Sparking Torque 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.
| C inch | Torque N.M | L mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | |||
| 3/8 | 100 | 310 | 540 | 600 |
| 1/2 | 300 | 490 | 1210 | 1340 |
| 3/4 | 500 | 560 | 1930 | 2050 |