Check the listing for details. Tamiya Craft Tools HEX WRENCH SCREWDRIVER BIT (BALL END, 2.5mm) 69935. Condition: New. Listed at 16.99 USD. [Screws can be tightened even when angled]Replacement bit for ratchet driver PRO and electric screwdriver. Compatible with 2.5mm hexagon socket screws that are often used in RC car assembly. The tip has a ball point shape that can be tightened even if it is tilted up to about 25 ° with respect to the screw. Convenient for working in complicated places such as suspension arms. The point is that the bit size is laser-printed on the root shank for easy identification and management. [Basic specifications] Chrome molybdenum vanadium steel. Compatible with 2.5 mm hexagon socket screws. Bit size: Hexagonal ball point H2.5 x 100 mm, insertion shank shape is 6.35 mm on the opposite side of the hexagon. Magnetized type.Item No: 69935100% Authentic Tamiya Product