These Non-Sparking Double End C Type Valve 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.
| L mm | S mm | Weight (g) | ||
| Aluminum Bronze | Beryllium Copper | |||
| 200 | 14.5 | 18.5 | 335 | 370 |
| 250 | 17.5 | 25.5 | 575 | 635 |
| 450 | 25.5 | 34 | 2160 | 2385 |