These Non-Sparking Heavy Hex Ratchet Wrench 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.
| S mm | L mm | H mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | |||
| 17 | 250 | 28 | 650 | 710 |
| 19 | 250 | 28 | 820 | 896 |
| 21 | 250 | 30 | 940 | 1030 |
| 22 | 250 | 30 | 1010 | 1105 |
| 24 | 250 | 32 | 1230 | 1345 |
| 26 | 250 | 34 | 1250 | 1365 |
| 27 | 250 | 34 | 1450 | 1580 |
| 30 | 250 | 40 | 1640 | 1795 |
| 32 | 250 | 40 | 1820 | 1990 |
| 35 | 250 | 45 | 1840 | 2010 |
| 36 | 250 | 45 | 2035 | 2225 |