• Quickly locate the source of engine noise such as piston slap, worn gears and bearings, damaged valves, water pump failure and blown gaskets.• Also useful for tracking down dashboard rattles and squeaks.• Plastic ear pieces and 300mm probe with sound amplifying chamber.Quickly locate the source of engine noise such as piston slap, worn gears and bearings, damaged valves, water pump failure and blown gaskets. Also useful for tracking down dashboard rattles and squeaks. Plastic ear pieces and 300mm probe with sound amplifying chamber.• Quickly locates the source of engine noise such as piston slap, worn gears and bearings, damaged valves, water pump failure and blown gaskets and even dashboard squeaks. • Plastic ear pieces and 300mm probe with sound amplifying chamber. • Model No. AK871Technical Specification:Nett Weight: 0.16kgDimensions: Length: 45mm x Height: 310mmWeight: 0.208KgWarranty: 1 year