These Non-Sparking Pozidriv Screwdriver 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.
| L1 inch | Size | L1 mm | L mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | ||||
| 2 | 0 | 50 | 134 | 33 | 35 |
| 3 | 1 | 75 | 159 | 42 | 45 |
| 4 | 2 | 100 | 215 | 80 | 85 |
| 6 | 3 | 150 | 277 | 135 | 145 |
| 8 | 4 | 200 | 327 | 210 | 230 |