Point, Case Type case, Compatible with Manufacturer Model No. Digimatic and Dial Indicators and Linear Gages, Contact Point Material Steel, Contact Point Shape Curved, Contact Point Thread Size 4-48UNF, For Use With 575 Series, Includes Case Yes, Number of Pieces 1, Overall Length 3/8 In., Stem Dia. Ø3/8 In., Stem Thread Size 4-48UNF, Contact Point Tip Diameter .2 in, Contact Point Tip Length 3/8 in