121B Sliding T Type Wrench Non Sparking Safety Tools Aliuminuim Bronze Alloy and Beryllium Copper Alloy DIN3122 Die Forged Tighten or loosen hex bolts and nuts directly We are a DIN Wrench factory in China, the material of the product can be Aliuminuim Bronze alloy and beryllium copper alloy. Our products have high quality and competitive prices. Hebei Botou Safety Tools ( Groups) Co., Ltd. is China tool Top Ten enterprise and China Famous export brand enterprise,owning the Chinese famous trademark "Qiaofang" and 2 well-known brand "Zhongbo" and "X-Spark" export brand. We are the largest manufacturer of non sparking tools, Explosion proof tools and non-magnetic safety hand tools in the world. Hebei Botou Safety Tools Group is national standard framer of Non sparking tools. OEM and any customized tools all accept.If you want to know the latest news about the product, please Click here and learn more.