Roughneck Pick Axe and Cutter Mattock Set, 2 Piece Screwdriver designed to enhance screw insertion Radio designed to enhance screw insertion time and provides greater resistance to corrosion • 40° deep single thread to provide a secure fixing with high pull out resistance • Surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility • Single slash on 25mm+ to reduce torque and the likelihood of the timber splitting when the screw is inserted close to the edge • All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have 70mm thread length The DCF899 XR Brushless High Torque 1 2" Impact Wrench with Detent Pin Anvil is powerful and versatile for various fastening applications 1 x Cutter Mattock Head with a fibreglass handle Made from double injected fibreglass with a solid core for added strength