About this item 

• Set includes (2) 1/2'' drive, (3) 3/8'' drive, (4) 1/4'' drive bits, and steel storage rail 
• 1/2'' drive bit sizes: MT16 and MT18 and 3/8'' drive bit sizes: M10, M12, MT14 and 1/4'' drive bit sizes: M4, M5, M6, and M8 
• Designed for Impact grade strength 
• Low profile design for confined, hard to reach areas 
• Chrome vanadium sockets with corrosion-resistant plated finish