A gasoline-powered concrete vibrator, specifically with a Robin EY20 engine. These devices are used in construction to consolidate freshly poured concrete, remove any air bubbles, and ensure a smooth and even surface. Here is purchasing information: Engine: This vibrator operates with a gasoline-powered Robin EY20 engine, known for its reliability in construction equipment. Purpose: Ideal for construction and civil engineering projects, it enhances the strength and durability of concrete by ensuring uniform compaction. Features: Powerful engine specifications (such as: 7 horsepower, and 3.6-liter fuel tank capacity as seen in similar models), durable construction, and ease of use. The hose or rod or tube that comes with it is made in Korea