Double ended Replacement Bits for 4 in 1 & 6 in 1 Interchangeable Screwdrivers

1/4" Hex Shaft (2-9/16" L): 3/16" Slotted & #1 Phillips

5/16" Hex Shaft (2-15/16" L): 1/4" Slotted & #2 Phillips

Each with a Ball Bearing 

Chrome Vanadium Steel (Cr-V)

Heat Treated