Dial Test Indicator Stylus, Case Type Pouch, Compatible with Brand and Series BESTEST, Compatible with Manufacturer Model No. 599-7021, 7022, 7024, 7029, 7030, 7031, 7032, 7033, 7037, 7038, Contact Point Material Carbide, Contact Point Shape Ball, Contact Point Thread Size M1.4 x 0.3, For Use With Dial Test Indicator, Includes Measuring Insert, Includes Case Yes, Number of Pieces 1, Overall Length 0.5 in, Stem Dia. 0.04 in, Stem Thread Size M1.4 x 0.3, Contact Point Tip Diameter 3/64 in