download and print a free degree wheel off the internet
Cut it out and bring it to Office Max or another office supply store that does laminating
Laminate it with their thickest laminate, cut the degree wheel out of the laminate leaving a border around the paper
Laminate it again and cut it out...
I have just purchased a timing wheel because I want to see what some of my saws are setting at. And I may in the future decide my hand at this fad I've heard called porting.
So how does one go about both setting one up. Then get some readings, then understanding those reading.