Size : 6" ~24"

The  adjustable wrench   are manufactured with ISO9001: 2000 certificate and passed UKAS Certification .

The non-sparking tools are made of copper-aluminum alloys (aluminum bronze)or copper-beryllium alloys (beryllium bronze), they are widely used in the dangerous environments with many latent fire and explosion danger , such as petroleum , chemical industry , electronics , railway , shipbuilding , gas production and etc.