Overall Length: 3-1/2"Shank: 1/4" Hex Power GrooveTip: #2 PhillipsFits Directly Into Power Tool Without An AdapterBosch Reinforced Screwdriver Bits Are Designed To Handle Tough Torque ApplicationsMade From The Highest Quality S2 Tool SteelA Proven Sub-Zero Tempering Process Gives These Bits Long Life And Increased DurabilityLength May Vary Slightly, Contact To Confirm If Needed