17-piece kit fits just about anywhere and is packed full of essential bits. Quality ratchet and bits made from tool steel. Comes with: 5 mm, 5.5 mm, 6 mm, and 8 mm socket. PH0, PH1 and PH2 Phillips head bits. PZ1 and PZ2 Pozidriv head bits. 5 mm, 6 mm and 7 mm flat head bits. Torx T-15 and T-20 bits. All of the most popular sizes and types included in carrying case.