3 PCS 1/4 inch Hex Magnetic Drill Bit Holder Socket Extension for Nuts, Screws 7
• Magnetic Bit Holder Set Extensions 3" 4" 6" Quick Change 1/4" Hex Shank. • 1/4" quick-change hex shanks fit all power drills, 1/4" impact drivers and hand-held drivers. High hardness, non-slip, large torque, long life and durable.