These Non-Sparking Single Open End 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 | ||
| 8 | 95 | 35 | 40 |
| 10 | 105 | 45 | 50 |
| 12 | 125 | 60 | 65 |
| 14 | 140 | 85 | 95 |
| 19 | 160 | 95 | 105 |
| 17 | 170 | 115 | 130 |
| 22 | 195 | 152 | 170 |
| 24 | 220 | 170 | 190 |
| 27 | 240 | 260 | 285 |
| 30 | 260 | 290 | 320 |
| 32 | 275 | 365 | 400 |
| 34 | 290 | 410 | 455 |
| 36 | 310 | 480 | 530 |
| 41 | 345 | 555 | 615 |
| 46 | 375 | 860 | 950 |
| 50 | 410 | 950 | 1080 |
| 55 | 450 | 950 | 1380 |
| 60 | 490 | 1200 | 1950 |
| 65 | 530 | 1700 | 2250 |
| 70 | 570 | 2550 | 2850 |
| 75 | 610 | 2800 | 3200 |