WHOLESALE 5PC 65MM DOUBLE END PH#2 BITS & MAGNETIC SCREW HOLDERS Durable S2 steel. Designed to handle high-torque applications. Precision milled tips won't slip,and reduce cam outs. Use with most hand drivers and power drivers. Magnetic power screw holder is ideal to drive screws under tough situations. Multipurpose screw holder designed to fit any bit with any tip style and size.