Bit Screwdriver with Ratchet Spanner with 40 Teeth For the screwing speed and accuracy, high torque 3–way adjustable (Ring loosening screw locking), ergonomic Bi-Material handle for comfortable and powerful screws Bit sockets for up to 6 Bits in handle included: 12 inch Bits: 0.20 (5 mm), 0.26 inch (6.5 mm) 0.31 (8 mm) inch, PH1, PH2, PH3, PZ1, PZ2, PZ3, T10, T15, T20