These Non-Sparking Adaptor 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.
| □ inch | ▇ inch | L mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | |||
| 3/8 | 1/4 | 26 | 28 | 31 |
| 1/4 | 3/8 | 22 | 20 | 22 |
| 1/2 | 1/2 | 34 | 70 | 80 |
| 3/8 | 3/8 | 34 | 55 | 60 |
| 3/4 | 3/4 | 55 | 260 | 290 |
| 1/2 | 1/2 | 50 | 150 | 170 |
| 1/8 | 3/4 | 70 | 770 | 855 |
| 1/9 | 1 | 60 | 320 | 360 |
| 1/10 | 1 | 85 | 1510 | 1675 |
| 1/11 | 1-1/2 | 85 | 1100 | 1230 |