Specification Brand : EZ Travel Collection BulletPoint1 : Designed to Test Gasoline Engines for Leaking Valves, Leaking O-Rings and Detect Excessive Carbon Output along with Timing Issues. BulletPoint2 : Large 2-1/2” Diameter Reader Gauge BulletPoint3 : Uses Standard Metric Scale: 0-300psi and 0-2100 KPa BulletPoint4 : Overall Gauge and Hose Length: 17” BulletPoint5 : Complete with Carry Case ExternallyAssignedProductIdentifier1 : 0757901507373 ExternallyAssignedProductIdentifier2 : 757901507373 ItemName : Engine Compression Diagnostic Test Automotive Gas Engine Compression Reading Gauge (6-Piece Kit) ItemTypeKeyword : automotive-stethoscopes Manufacturer : EZ Travel Distribution PartNumber : 7373 ProductDescription : Use this Automotive Compression Tester Kit to Check gasoline engines for leaky valves, rings and detect excessive carbon output and late timing issues. Includes the two most common adapters (one-large 18mm end and one-small 14mm end). 2-1/2” diameter gauge reader with dual color scale (0-300PSI and 0-21 BAR). Complete test instructions included. 6-piece complete kit with blown mold carry case. Designed to Test Gasoline Engines for Leaking Valves, Leaking O-Rings and Detect Excessive Carbon Output along with Timing Issues. Large 2-1/2” Diameter Reader Gauge Uses Standard Metric Scale: 0-300psi and 0-2100 KPa Overall Gauge and Hose Length: 17” UnspscCode : 25191800