These Non-Sparking Come Along 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.
| Capacity T | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | |
| 1 | 3 | |
| 2 | 4.5 | |
| 3 | 6 | |
| 4 | 7.8 | |