(Reverse Thread, locks on and backs out broken studs. Extract a wide variety of screws, easy to use. Sizes: #1) 1/8″-1/4″, #2) 1/4″- 5/16″, #3) 5/16″-7/16″ #4) 7/16″-9/16″ #5) 9/16″-3/4″, #6) 3/4″-7/8″.
(Reverse Thread, locks on and backs out broken studs. Extract a wide variety of screws, easy to use. Sizes: #1) 1/8″-1/4″, #2) 1/4″- 5/16″, #3) 5/16″-7/16″ #4) 7/16″-9/16″ #5) 9/16″-3/4″, #6) 3/4″-7/8″.