Kobalt Steel Grip Sockets are manufactured by BT&F LLC. With the ability to grip the flats of a bolt head, and squeeze tighter and tighter, as more torque is applied. Steel Grip Sockets remove rusted, damaged, and even severely rounded bolts and nuts with ease. According to Alex Gordon, Director of Marketing for Better Tools & Fasteners, the company that developed Steel Grip technology, “The ‘secret’ to this phenomenal performance is the internal flexible ‘grip’ component, which is made entirely of high grade, high strength, alloy steel. This proprietary and patented all-steel technology makes Steel Grip sockets extremely rugged and exceptionally durable.” As with other Kobalt products,

Steel Grip Sockets come with a Lifetime Warranty and exceed ANSI torque specifications.