These Non-Sparking Three Paws Type Valve Spanner 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.
| D mm | L mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | ||
| 200 | 25 | 200 | 220 |
| 250 | 35 | 340 | 375 |
| 300 | 42 | 400 | 440 |
| 350 | 62 | 600 | 660 |
| 400 | 90 | 940 | 1030 |
| 450 | 110 | 1300 | 1430 |
| 500 | 165 | 1900 | 2090 |
| 550 | 225 | 2200 | 2420 |