How much does this cost to the nearest dollar?

AutoRocking Petrol Cylinder Compression Tester Kit Gas Engine Leakage Diagnostic Tools 0-300 PSI Dual Scale Pressure Gauge Extension Hose Spark Plug Adapters for Car Motorcycle Lawn Mower
Professional Designed to check the amount of leakage in an engine cylinder and helps determine the source. Observe the change in the readings in the cylinder to diagnose the fault, suitable for both novices, and professional mechanics, simple and convenient Wide Compatibility Compatible with a variety of common engine faults such as worn piston rings, cylinder head cracks, worn valves and blown head gaskets. Includes multi-size adapters (straight + curved + male fittings) ABS Case For the convenience of storage and carrying, we have specially made a premium ABS case, which has excellent shock absorption performance to protect the gauge from damage Dual Unit 0-300 psi

Price is $19.00
Price: $19.49