Bosch-Actron CP7828A Professional Compression Tester

Professional Compression Tester 17 high pressure flexible hose 10mm/12mm/14mm/18mm ends 14mm long reach adapter Repair kit includes valves & rubber O-rings External pressure release valve The Professional Compression Tester CP7828 measures cylinder compression to accurately diagnose engine condition. It is compatible with all standard spark plug threads. Product has a quick disconnect coupler that separates hose from the gauge for faster easier connections to the engine. Also includes a push-button side release valve that allows repeated testing without disconnecting. Includes adapters for all standard spark plug threads: 12mm 14mm 14mm long reach 18mm Repair kit includes valves and rubber O-rings Easy-to-read 2-1/2 professional gauge Bourdon tube movement for accurate readings Heavy-duty rubber boot protects the gauge Standard and metric scales: 0-300 lbs psi 0-2100 KPa