This Non-Sparking Internal Hexagon Socket is 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 corrsive, very suitable used for LPG and LNG vessels, and oil-gas industry etc.
| C inch | S mm | L mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | |||
| 1/4 | 3 | 55 | 16 | 17 |
| 4 | 55 | 16 | 17 | |
| 5 | 55 | 18 | 20 | |
| 6 | 55 | 23 | 26 | |
| 7 | 55 | 27 | 30 | |
| 8 | 65 | 40 | 45 | |
| 9 | 65 | 50 | 55 | |
| 10 | 65 | 60 | 65 | |
| 1/2 | 12 | 60 | 110 | 125 |
| 13 | 60 | 120 | 135 | |
| 14 | 60 | 125 | 140 | |
| 15 | 60 | 145 | 165 | |
| 16 | 60 | 150 | 170 | |
| 17 | 60 | 160 | 175 | |
| 18 | 60 | 170 | 190 | |
| 19 | 62 | 200 | 220 | |
| 20 | 62 | 205 | 230 | |