Purpose Built 9 Function Torx Bit Set Designed to work with all Topeak ratchets and torque wrenches as well as other brand ratchets and bit drivers this TOPEAK TORX BITKIT 9 is ideal for road and mountain bike repair and maintenance. Generous 30mm Bit Length It's a complete 9 piece Torx bit set which includes T6 / T7 / T8 / T9 / T10 / T15 / T20 / T25 / T30 Torx bits. Each has a generous 30mm bit length that makes it easy to reach tough bolt locations. They're made from S2 hardened steel and are supplied in a free-standing organiser fashioned from engineering grade Polymer. Versatile Compatibility Torx bits in the TOPEAK TORX BITKIT 9 have a knurl finish band for better grip and are compatible with Ratchet Rocket series, D-Torq Wrenches, Nano TorqBar series, Torq Stick, Ratchet Stick, Omni Tool Card and 1/4 hex bit drivers.