This seven-piece fractional stud puller and installation set includes 1/4-, 5/16-, 3/8-, 7/16-, 1/2-, 9/16- and 5/8-inch sockets. Works for removing and installing studs on multiple applications. Includes durable plastic storage case. Warning: Not to be used with electric or pneumatic impact wrenches. Hand use only. Part No. 203. For more information call (800) 525-2943 or visit www.ASTtool.com.