These blades are made from fully hardened high speed steel which increases durability and ensures that the blades can efficiently cut harder materials. The DT2162 series blade is great for straight cuts in very thin metal, non-ferrous metal & aluminium from 0.8 ? 2 mm thick. Overall Length: 76 mm. Length: 50 mm. Tooth Pitch: 0.7 mm. Max DOC: 2 mm. Pack Quantity: 5.