In your daily maintenance work, you will meet some damaged or stubborn nuts. It is very difficult to remove them by traditional methods. If you have such troubles, come and try our nut extractor, it can be used with your 3/8 inch ratchet wrench or socket wrench, come and try it, it will not let you down. Specifications: Material: alloy steel Socket size:9mm, 10mm, 7/16, 12, 13mm, 9/16, 19/32, 5/8, 17mm, 3/4 Package size: 150 * 100 * 20mm / 5.9 * 3.9 * 0.8in Package weight: 450g / 1.0lb Packing list: 10 * Sockets 1 * Push Rod