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..
Blade, Plane, HOCK, HIGH CARBON O1 Steel, for Stanley STANDARD ANGLE Block, #9-1/2 & #220, built POST 1985, 1-5/8 wide with 7/16 INCH WIDE SLOT, #BL162, #19P2081