These Non-Sparking Valve Square and Ellipse Driver 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.
| Size | L mm | D mm | K mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | ||||
| DN15 | 140 | 12 | 8 | 80 | 90 |
| DN20 | 140 | 14 | 9 | 95 | 105 |
| DN25 | 160 | 16 | 10 | 110 | 130 |
| DN32 | 190 | 17 | 11 | 155 | 180 |
| DN40 | 200 | 18 | 12 | 175 | 200 |
| DN50 | 250 | 23 | 15 | 330 | 335 |
| DN65 | 300 | 24 | 16 | 440 | 420 |
| DN80 | 350 | 25 | 17 | 650 | 740 |
| DN100 | 350 | 28 | 18 | 650 | 740 |