Ratchet screwdriver set for 4mm precision bits. Sizes included: Phillips: Ph00, Ph0, Ph1; Flat: 2, 2.5, 3mm; Star*: T6, T7, T8, T9, T10. Ratchet mechanism features reverse, lock & forward modes. Bits manufactured from chrome molybdenum. Ideal for automotive technicians, electricians, jewellers, modellers, hobbyists & DIY., Manufacturer: KAMASA-TOOLS