... concrete crack, will be completely blocked in the concrete structure outside the body, in order to achieve the purpose of the ... , Small volume, light weight, convenient carrying, simple operation 3, In a few seconds to upgrade to 5000PSI working pressure, the ... setT type wrench1 setRubber pad10 pcsZerk1 pcFilter1 pcMaterial cup1 set Construction drawing High pressure grouting machine for waterproofing