Stethoscope, Tool Type Mechanic Stethoscope, Testing Application Damaged Gaskets and Defective Bearings, Faulty Valves, Identify Piston Slap, Flowing Water, Oil, Gas, or Steam, Water Pump Failure, Worn Gears, Material Aluminum Steel, Number of Pieces 2, Features Limited Lifetime Warranty, Includes Shock Handle, Overall Length 14 in, Overall Width 9 1/2 in, Compatible Vehicle Part Engine