Ball Point, Case Type Case, Compatible with Manufacturer Model No. Digimatic and Dial Indicators and Linear Gages, Contact Point Material Carbide, Contact Point Shape Ball, Contact Point Thread Size #4-48, For Use With Digimatic and Dial Indicators and Linear Gages, Includes Case Yes, Number of Pieces 1, Overall Length 0.3 in, Stem Dia. 0.06 in, Stem Thread Size #4-48 UNF, Contact Point Tip Diameter 0.2 in, Contact Point Tip Length 0.2 in