The Topeak Nano Torqbox DX torque sockets quickly and easily turn your mini tool into a torque wrench. These torque sockets work with any mini tool containing a 5mm Allen wrench. Perfect for applying the correct torque for component bolts and to prevent damage to expensive carbon parts. Key Features: Construction: Hardened steel construction hardened steel tool bitsOptions: Includes 4 5 and 6Nm socketsBits: 3 4 5mm Allen bits & T20 T25 Torx bits includedCarry Case: Bit carry case with mini tool strap includedDimensions: 8.2×5.1×2.7cmWeight: 200g