Tonsiki 8pcs Phillips Screwdriver Bits Set(PH1, PH2, PH3),S2 Steel Impact Phillips Bits,4" Long

Specification:
Item Name: High Torque Phillips Screwdriver Bits
Material: S2 alloy steel
Head type: Phillips head/Cross head
Type of shank: 6.35mm ( 1/4 inch )hex
Size:3.5*PH1, 4*PH1, 4.5*PH1, 4*PH2, 4.5*PH2, 5*PH2, 6*PH2, 6*PH3, 100mm / 4'' Length

Description:
1. Made of S2 steel material, Nickel plating treatment by surface,hardness reaches 61RCH.
2. Magnetizable Phillips head screwdriver bits can be easily keep screws stuck to them.
3. Dual track design for high torque, which it's treble as stronger as other normal screwdriver bits.
4. The bits are straight and concentric, effectively reducing the bit swinging.
5. Usually used for mechanical equipment, automobiles, motorcycles, bicycles, furniture, toys, electronic equipment, household appliances, etc.