GEC TOOLS 8PCS Professional Petrol Engine Compression Tester Kit G1032

Extra heavy-duty compression tester with all the necessary adaptors to suit motorcycles, cars, and trucks.
Adaptor Sizes: 10mm, 12mm, 14mm, 14mm long & 18mm
Spark Plug Thread Chasers: 10 x 12mm & 14 x 18mm