• Bits made from industrial S2 steel; Heavy duty blow molded storage case included
• M4 - M14 Bit sizes in both 30mm and 75mm lengths
• 3/8inch drive and 1/2 inch drive bit holders included
• Ideal for late model German engineered vehicles for cylinder head, headlight, and transmission fill plug applications; not intended for use with an impact tool of any kind
• Set includes: 3/8 inch drive bit holder, 1/2 inch drive bit holder, M4-M14: 30mm and 75mm lengths