Lineman's Ratcheting Wrench Klein Tools KT151T Bolt-through design allows bolts to pass through the socket 3/4-Inch and 1-Inch x 1-1/8-Inch combination square socket for most common utility hardware Bright yellow socket for easy visibility Works on most common utility pole hardware, such as lag bolts, ''C'' clamps and suspension bolts Made in the U.S.A