The blades of these screwdrivers are made from an impact resistant chrome vanadium alloy for high durability. No.2 L size is compatible with 3mm-5mm (+) screws while No.1 M size can be used for 2mm-2.6mm (+) screws.
TAMIYA 74007 Philips Screwdriver No.1 Medium - Tools / Accessories
Alloy Steel Screwdriver Handle With 1.5/2.0/2.5/3.0mm Hex Screwdriver Driver Bit
FASTRAX FLAT SCREWDRIVER BIT FOR ELECTRIC SCREWDRIVER FAST628-6
1/700 Aoshima British Carrier-Borne Aircraft No1