The handle is made of high strength malleable cast iron, and the head is made of heavy forged steel, which is durable and has long service life. The tooth shape is sharp, does not break, does not curl, the hardness is high, the wearability is good. Because of its exquisite manufacture, the teeth of the wrench are very precise, and it can firmly grasp the pipe. The handle of the spanner is wrapped in plastic, which makes it more comfortable to use. It allows you to hold the spanner tightly and it is not easy to slide. Wide I-beam handle design provides better weight distribution and save labor. It is suitable for all home decoration maintenance related to pipeline, such as tank maintenance, domestic water pipe, vehicle maintenance, etc. Each straight pipe wrench has deep grooved teeth locked in place to provide confident grip on a smooth, circular surface around, such as shower heads or bathroom sinks and gutters. Wrench sizes include: 8 ", 10", 12 "and 14", as well as handbags.