This lovely—expensive—brass pipe wrench is, like many brass tools, designed to be used in situations where there may be explosive gasses present. Unlike steel, brass does not create any sparks even when hit on another hard surface. For example, if you were to drop an iron pipe wrench on a concrete floor while working to fix a gas leak, it could ignite the gas. That won’t happen with a brass one.
Location: Box 45
Have you used this tool? Think my description is all wrong? Have a better example? Comment now with any thoughts you have about this tool!