All models of bottom bracket sockets are precision CNC machined tools for installation and removal of different external bottom bracket cups. They are made of aluminum billet and anodized red for durable finish and precise fit, that won´t damage aluminum external bottom bracket cups. Knurling on the side of the socket creates better grip when threading cups by hand, meanwhile 1/2" square drive makes it easy to use with torque wrenches, ratchets and fixed handles. Like all of Unior’s tools, bottom bracket sockets are proudly designed and manufactured in Slovenia. Sockets may vary slightly on external finish from the images as new stock arrives The UT-627621 will also work with the LEVO SL motors for removing the lockring/spider Unior Bottom Bracket Sockets: About Them BB Socket Application Chart Tools with verified quality Unior Hand tools are in compliance with the European and global quality standards. Unior is striving to assure the high quality of hand tools also as a fully authorized CEO (European Tools Committee) member. Unior was among the first manufacturers of hand tools in Europe to receive ISO 9001 quality certificate. In 1994, the company received ISO 9001 quality certificate for the development, production and marketing of hand tools, sheet metal housing for hand tools and mechanical processing of forging parts. Unior tools are in compliance with DIN standard. Since 1991, the tools for working at high voltage also proudly hold VDE certificate, issued by VDE Institute- "Pruf und Zertifizierungsinstitut" from Offenbach in Germany. Unior BB Tool Chart
