Features: <br> <br>The ring is suitable for 6.35mm screw bits to make your screwdriver magnetic and makes your work more convenient. <br>The screw bit across through the ring to tight or loose the screw. <br>The strong magnetic force can prevent the screw from falling. <br>The ring is made of fine alloy steel,durable and has long service life. <br>With this tool,you can make your work easier and improve your working efficiency. <br> <br>Specification: <br>Quantity: 1pcs/5pcs/10pcs(Optional) <br>Size:21 * 12.7mm / 0.83 * 0.5in <br>Bit Size:1/4''(6.35mm) <br>Material:Alloy Metal <br> <br>Package List: <br>1 set of Magnetic Ring<br>1、The ring is suitable for 6.35mm screw bits to make your screwdriver magnetic and makes your work more convenient. <br>2、The screw bit across through the ring to tight or loose the screw. <br>3、The strong magnetic force can prevent the screw from falling. <br>4、The ring is made of fine alloy steel,durable and has long service life. <br>5、With this tool,you can make your work easier and improve your working efficiency.