The Auto-Grip self-adjusting groove joint pliers are shown here with two types of traditional groove joint pliers. From left to right we have manually adjusted pliers, ...

A self-adjusting pliers developed by a retired engineer and a dentist in Pennsylvania turned out to be the hottest item at Sears, Roebuck and Co. this past holiday season. “We didn’t ha… ...

Available in several locking pliers and groove pliers sizes, each under $20, we ordered the Auto-Grip 2-piece combo kit ($26.99) of an 8-inch locking pliers and a 10-inch groove pliers to check ...