Viking Drill and Tool 50320 Type 727 T-Hand Tap Bit Wrench with Removable Handle, 3/16"-1/2" T-Handle Tap Wrench w/Removable Handle Sliding T-handle with spring tension to hold taps in place 3/16-inch - 1/2-inch, Self equalizing jaws Self equalizing jaws 3/8-inch female square drive