Key Gas 1 - is an adjustable and multifunctional metal key designed for domestic, technical and professional use. The gas switch is mainly used in the time of fastening and discharging various diameter pipes, fittings and other cylindrical elements. The gas switch is an ideal choice for medium-scale works with 1 size - it is neither very large nor small surfaces are easy to apply. Provides more stable and powerful grip to fit the pipe through an adjustable mechanism. The fastening part of the fastening gear, prevents sliding on metal surfaces and creates maximum accuracy and security during work. This type of key is widely used in plumbing, in the installation of heating systems and in the tube connections. Key Gas 1 is one of the main tools for being in the toolbag that deals with both professional masters and home repair work.