Product Description Shimano wrench set TL-FC31 - with 32 and 15 mm open-end wrenches The consists of two open-end wrenches, which can be used as pedal wrenches, for headsets or bottom brackets. Both tools have a 32 mm opening for threaded headsets and Octalink bottom bracket tools; on the other side, there is a 15 mm opening for pedals and toothing for lockrings. TL-FC31 is made of coated carbon steel, which gives it special durability. Specifications:Function:pedal wrench, installation and removal of headset bearings, installation and removal of bottom bracketsTool Type:wrenchType:open-end wrench, cone wrenchCompatibility:BB-7700/M950; TL-UN96/UN74-S/UN66/FC33/HA20; HB-M810Size:15 mm, 32 mmTechnical Information:Material:steelFeatures:32 mm open-end wrench for headsets15 mm pedal wrenchheat-hardened carbon steel with nickel-chromium coating for stability and durability32 mm wrench suitable for TL-UN96/UN74-S/UN66/FC33/HA20can also be used to adjust the HB-M810 (20 mm axle)Manufacturer Number:Y-13098100 Contents:2 x Shimano TL-FC31 open-end wrenches Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com