These Non-Sparking Single Bent Box 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 | ||
| 10 | 119 | 50 | 60 |
| 12 | 151 | 75 | 85 |
| 14 | 151 | 75 | 85 |
| 16 | 174 | 130 | 150 |
| 17 | 174 | 145 | 160 |
| 19 | 207 | 190 | 195 |
| 22 | 207 | 180 | 205 |
| 24 | 250 | 295 | 330 |
| 27 | 250 | 275 | 315 |
| 30 | 295 | 430 | 480 |
| 32 | 295 | 410 | 455 |
| 34 | 307 | 580 | 650 |
| 36 | 307 | 580 | 650 |
| 38 | 340 | 740 | 830 |
| 41 | 340 | 720 | 810 |
| 46 | 370 | 1100 | 1230 |
| 50 | 400 | 1255 | 1400 |
| 55 | 430 | 1720 | 1930 |
| 60 | 450 | 1900 | 2100 |
| 65 | 470 | 2135 | 2360 |
| 70 | 490 | 2800 | 3080 |
| 75 | 510 | 3250 | 3600 |
| 80 | 530 | 4030 | 4460 |