Metric Hardware sizing tool

wedge measure for diameter. simple to slide the diameter down the wedge opening. then read the diameter to the right. No need to put it in holes. to be sure, you can test the treads. quick and easy. A place to put a hex bolt to test the internal threads.A place to put a screw from the far side to test an external tread.a length gauge for the length the photos only have 4 sizes installed. but there are places for 10 sizes. Is intended to print face down without support.there are different bodies