Feature:1. Good compatibility, suitable for most bottom brackets. Covers 90% of BB thread models.2. Made of aluminum alloy, CNC turning, quenching heat treatment, durable.3. Fine workmanship, not hurting hands, good performance.4. Wonderful accessory for bike. Used for 10mm/0.4in inner hex wrench.5. 2 different colors for you to choose, meet your different needs.Specification:Item type: Bike Bottom Bracket Cup ToolMaterial: aluminium alloyUsed for 10mm/0.4in inner hex wrench.Applicable Model1.For ZTTO BB91 / BB109 / BB30SH / PF30SH / BB86-30 / BB30-30. for SM-BB522. For SM-BBR60 / MT8003. For SM-BB93 / BB9000 / BB91004.For SR-for DUB series5. For F-MEGA BSA30 and for MEGA BB386 Package List:1 xBike Bottom Bracket Cup Tool