These Non-Sparking Striking Open 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 Inch | L mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | ||
| 3/4 | 125 | 135 | 150 |
| 7/8 | 135 | 175 | 195 |
| 15/16 | 150 | 1220 | 245 |
| 1 | 175 | 300 | 335 |
| 1-1/8 | 190 | 390 | 435 |
| 1-1/4 | 190 | 460 | 515 |
| 1-7/16 | 210 | 730 | 800 |
| 1-1/2 | 220 | 780 | 860 |
| 1-5/8 | 230 | 860 | 955 |
| 1-3/4 | 250 | 1100 | 1225 |
| 1-7/8 | 250 | 1100 | 1225 |
| 2 | 275 | 1400 | 1550 |
| 2-1/8 | 305 | 1680 | 1850 |
| 2-1/4 | 315 | 1970 | 2190 |
| 2-3/8 | 315 | 2780 | 2190 |
| 2-1/2 | 335 | 3660 | 30690 |
| 2-3/4 | 370 | 3880 | 4030 |
| 3 | 375 | 5130 | 4200 |
| 3-1/8 | 400 | 7050 | 5650 |
| 3-1/2 | 445 | 7000 | 7800 |
| 3-3/4 | 445 | 10500 | 7730 |
| 4 | 485 | 12000 | 11600 |