Rosewill 12 Piece Precision Screwdriver Tool Set (RTK-016) All tools are demagnetized to prevent systems and magnetic media from damage. 12 in 1 Precision Screwdriver Set 3 Philips Bits: #00, #0, #1 3 Flat Bits: 1.5, 2.0, 2.5 4 Torque Bits: T4, T5, T6, T7 3 Philips Bits: #00, #0, #1 2.75" Extension Bar 3.5" Screwdriver Handle