Square Driver Set (4 Piece).
Square: #0, #1, #2, #3. 4" Shank Perfect for Most Common Applications. Fluted Handle Design Provides Multiple Gripping Points to Apply Torque from Various Angles. Tough Impact Resistant Acetate Handle to Stand Up to Everyday Use Magnetized for a Secure Hold, Allowing One-Handed Use Sand-blasted and Precision Machined Tip for an Exact Fit and Reduced Cam Out