The built-in opener makes it easy to avoid the classic mistake of using a screwdriver to pry against the point and damage the plug. Not a lot to be said here the picture of the item is exactly what it looks like in person. Then adjust the gap as neces...  Read More

This thing is way far off and dang near criminal to use. I feel like it is too big. Too expensive to not be accurate. Big mistake.

Whats the point of a ruler that reads and inch as an 1. They need to relocate the word millimeters. All measurements are inaccurate other then.

Spark plugs were pre-gapped to 0. It is incredibly unlikely that all 16 spark plugs were off by 0. Thickness is off more than 0. The error on all indicators is 0. What are the point of a bubble level that is not level?

This tool is an overpriced piece of junk. It seems as soft as pewter or something similar.

Most plugs come within a thousand or two depending on vehicle specs. Edge of gapper hole deforms and wears out after few plugs and starts to slip.