These Non-Sparking Lock Torque Wrench-Window Display 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 | |||
| 1/4 | 2-10 | 290 | 800 | 850 |
| 3/8 | 5-50 | 360 | 920 | 980 |
| 1/2 | 10-100 | 405 | 1020 | 1100 |
| 1/2 | 20-220 | 500 | 1200 | 1320 |
| 1/2 | 60-300 | 595 | 1330 | 1500 |
| 3/4 | 150-750 | 1040 | 4930 | 5700 |
| 1 | 200-1000 | 1253 | 8500 | 10000 |