Husqvarna D1510 Z Edge Wet Diamond Core Bit. Premium Husqvarna WET ONLY Diamond Core Bit. Designed for drilling medium to hard aggregate and reinforced concrete. 1 1/4 UNC Female Fitting. Designed for core drill motors 2.4kW+. New and unused surplus stock, boxes are a bit tatty. Will package well anyway to avoid damage. MPN: 529 55 66-02.