These Non-Sparking Striking 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 | ||
| 17 | 145 | 125 | 140 |
| 19 | 145 | 125 | 140 |
| 22 | 155 | 160 | 180 |
| 24 | 165 | 220 | 250 |
| 27 | 175 | 315 | 350 |
| 30 | 185 | 430 | 475 |
| 32 | 185 | 450 | 490 |
| 34 | 200 | 490 | 540 |
| 36 | 205 | 520 | 580 |
| 38 | 215 | 620 | 680 |
| 41 | 225 | 680 | 755 |
| 46 | 235 | 890 | 990 |
| 50 | 250 | 1030 | 1145 |
| 55 | 265 | 1300 | 1440 |
| 60 | 274 | 1450 | 1620 |
| 65 | 298 | 1800 | 1995 |
| 70 | 320 | 2200 | 2435 |
| 75 | 326 | 2720 | 3010 |
| 80 | 350 | 3250 | 3600 |
| 85 | 355 | 3915 | 4330 |
| 90 | 380 | 4700 | 5200 |
| 95 | 390 | 4920 | 5450 |
| 100 | 410 | 6100 | 6750 |
| 105 | 420 | 6320 | 7000 |
| 110 | 445 | 7250 | 8000 |
| 120 | 480 | 9930 | 11000 |
| 130 | 520 | 11400 | 12610 |
| 140 | 520 | 11750 | 13000 |
| 150 | 565 | 13100 | 14500 |