Pin material : HSS
Ball material : Tungsten Carbide
Size & Item No. as below:
Item No. Pin Dia. Ball Dia. LENGTH
WSB50401 4MM 1MM 50MM
WSB50402 4MM 2MM 50MM
WSB70303 3MM 3MM 70MM
WSB70304 3MM 4MM 70MM
WSB80404 4MM 4MM 80MM
WSB80405 4MM 5MM 80MM
Different Size : negotiable
probe of edge finder (EDM)