STUBAI - Austrian made, heavy duty roughing down tool. There are 7 series #52 sweep patterns, A,B,C,D,E,F & G each available in 50, 60, 70 and 80mm widths.
STUBAI - High alloy tungsten molybdenum high speed steel. This is Stubai's premium range with exotic (to Europe) handles anf probably the best grade of HSS used in turning tools.