Indexable Carbide Milling Insert 1/8" Thick, 1/32" Radius,11 degree relief angle. Material: made of solid carbide with black coated, offer long life and faster cutting speed, low friction coefficient, good wear resistance. For turning and milling carbon and alloy steels, tools steel and stainless steel. Screw on triangle style insert with a chipbreaker. 10 pieces per box. Made In India