These Non-Sparking Construction Offset Type With Pin 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.
| S mm | L mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | ||
| 17 | 320 | 195 | 210 |
| 19 | 350 | 290 | 320 |
| 22 | 350 | 390 | 430 |
| 24 | 370 | 430 | 480 |
| 27 | 370 | 580 | 640 |
| 30 | 400 | 720 | 800 |
| 32 | 400 | 720 | 800 |
| 36 | 430 | 860 | 950 |
| 41 | 470 | 1150 | 1270 |
| 46 | 500 | 1445 | 1600 |
| 50 | 530 | 1700 | 1885 |
| 55 | 560 | 1950 | 2160 |