The Pound Thru screwdriver set features both Flat and PzDrive profiles with magnetic tips. The square chrome molybdenum shaft has a large striking head and runs the full length of the tool for strength and impact resistance, ideal for removing seized fasteners. The square drive handle head can also be gripped with a wrench if more torque is required. A quality set featuring comfortable soft grip handles with thumb scoops all presented in a handy storage case. Features and Benefits 3 x Flat: 5.5 x 100mm, 6.5 x 125mm, 8 x 150mm 3 x PzDrive: Pz1 x 75mm, Pz2 x 100mm, Pz3 x 125mm Shaft continues through handle for strength & impact resistance Magnetic tip screwdriver blades manufactured from chrome molybdenum Supplied in plastic storage case