General description These 9 pieces of 1/4 inch (6.3mm) magnetic long hex head screwdriver bits are made from durable S2 steel, providing a large moment of force and high toughness. The magnetic head design ensures convenience and prevents slipping during use. With a length of 200mm, these bits are suitable for various applications, including air screwdrivers and electric drills. Technical specifications Material: S2 steel Length: 200mm Hex shank size: 6.3mm (1/4 inch) Package contents: 1 x 200mm*Φ3.0*PH1, 1 x 200mm*Φ4.0*PH1, 1 x 200mm*Φ4.5*PH1, 1 x 200mm*Φ5.0*PH1, 1 x 200mm*Φ6.0*PH1, 1 x 200mm*Φ4.0*PH2, 1 x 200mm*Φ4.5*PH2, 1 x 200mm*Φ5.0*PH2, 1 x 200mm*Φ6.0*PH2 Other information