Xcelite CK25 Reversible Screwdriver Kit with RB1, RB2, and RB3 Blades/#25 Handle/Zipper Pouch features a patented spring lock on the holder in order to hold the blades firmly in perfect alignment. The blades easily snap in and out of the handle for quick access.
RB1 Blade Tip Sizes: #1 Phillips and 3/16" slotted
RB2 Blade Tip Sizes: #2 Phillips and 1/4" slotted
RB3 Blade Tip Sizes: #3 Phillips and 5/16" slotted