Ideal for first-time builders and enthusiasts, the 16 pieces tool kit includes: Allen wrench, 1pc magnetic extendable screwdriver handle, 13pcs bits (H2.0, H2.5, H3.0, H4.0, T15, T20, PH00, PH0, PH1, PH2, 2.0, 4.0, 5.0mm hex socket bit), and flexible shaft. Compact for travel, the included black case helps keep the tools in place and organized.