These Non-Sparking Torx 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.
| Size | L1 inch | L mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | |||
| T10*75 | 75 | 180 | 63 | 70 |
| T15*75 | 75 | 180 | 63 | 70 |
| T20*100 | 100 | 215 | 95 | 100 |
| T25*125 | 125 | 240 | 100 | 105 |
| T30*150 | 150 | 265 | 100 | 110 |
| T40*200 | 200 | 327 | 155 | 165 |
| T45*250 | 300 | 377 | 175 | 185 |
| T50*300 | 350 | 427 | 195 | 205 |
| T55*350 | 350 | 500 | 225 | 245 |
| T60*400 | 400 | 550 | 255 | 280 |