VKQTS 4PCS Compression Tester Adapter 1.26*0.71*0.71 inch,
Publisher: VKQTS. Multiple Size: You will receive 4pcs car compression tester adapters, thread specifications of 10mm x 1.0, 12mm x 1.25, 18mm x 1.5, and 16mm x 1.5, multiple sizes for various engine types, check the thread specifications before buying to confirm compatibility.