Slotted Screw-Holding Screwdriver Set, 3/16-Inch, 1/4-Inch and 5/16-Inch Slotted Tips Klein Tools SK234 Positive gripping action holds, starts and drives slotted screws in awkward, hard-to-reach places Split-blade screw-holding driver wedges into screw slot Includes 3/16-Inch, 1/4-Inch and 5/16-Inch (5 mm, 6 mm and 8 mm) tips Reclosable, seal-tight vinyl pouch with hanging grommet Not designed for torquing or tightening