These Non-Sparking Combination Ratchet 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 | 220 | 210 | 250 |
| 19 | 240 | 240 | 310 |
| 22 | 270 | 270 | 420 |
| 24 | 290 | 290 | 570 |
| 27 | 315 | 315 | 750 |
| 30 | 250 | 350 | 1000 |
| 32 | 370 | 370 | 1155 |