AccusizeTools - x 0.0005" Graduation Co-Ax Indicator Yellow Dial Face, JD21-0003 Go to amazon.com Related posts How to buy the best axial indicator? DescriptionAll points and feelers included FreeLength of straight feeler: 1.77'', 4'', 6.06''Length of center point feeler: 2.07''Length of curved feeler: 1.81'', 4'', 6.06''Accuracy: 0.0002"