Kit includes ratchet handle, 25 mm extension, 5 Nm click-torque extension, and 10 bits Ratchet wrench for speed; torque extension for precision Portable and light - easily fits in a jersey pocket, ride pack or travel kit 5 Nm click-torque extension for safe, precise and secure tightening of sensitive parts 2-way ratchet wrench can be used without torque extension for rapid fastener take-up and loosening Bit extender can be used in "T" handle, "L" handle, or "I" handle (in-line) configuration to suit any task 6-degree ratchet engagement maneuvers in tight spaces Compact head and bit design allows clearance and full function in tight spaces 10 labeled S2 Steel bits covering the most common bicycle applications S2 Steel is an industry leading tool steel made for precise edges, exact fitment, and durable working surfaces Hex: 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm Torx«: T10, T25, T30 Flat: 3 mm. Reflex Fixed Torque Ratchet