The quality, accuracy and repeatability are great, but the biggest difference I noticed right away was how easy and effortless the thimble adjustment was. It's good to have IP65, the display is easy to read, it uses the same battery as all other Mitotoyo tools I have so you don't have to stock up on lots of sizes and you can always have one. None of their products will burn batteries, even after being "off" for years, so they last a very long time. There are a few pricier models that offer more