With the six most public screwdriver and nut driver sizes in one tool, the TEKTON 6-in-1 Screwdriver is a that you will reach for prototypic on nearly any project. The comfy six-sided handle squeezable, nonslippery surfaces for a positive grip. Made from hefty chromium vanadium steel, the double-ended bits have precisely tips for an verbatim fit in fasteners. The steel tube shaft a lasting chromium plated finish that resists rust and corrosion.Set Includes : -LRB- 2 -RRB- Flat : 3/16, 1/4 inch -LRB- 2 -RRB- Phillips : # 1, # 2 -LRB- 2 -RRB- Nut Drivers : 1/4, 5/16 inch .