Built for demanding trade environments, the WARR Tools Heavy Duty SK5 Utility Blades (0.6mm) deliver exceptional sharpness, strength, and long‑lasting performance. Manufactured from premium SK5 high‑carbon steel and precision‑ground for clean, controlled cutting, these blades are engineered to handle tough site materials with ease. Supplied as 40 packs of 10 blades (total 400 blades), this bulk box is perfect for contractors, workshops, and high‑volume professional use.