Point,Roller, 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 Digimatic and Dial Indicators and Linear Gages, Includes Case Yes, Number of Pieces 1, Overall Length .9, Stem Dia. .4, Stem Thread Size 4-48UNF, Contact Point Tip Diameter .9 in, Contact Point Tip Length .1 in