BICYCLE CRANK REMOVAL TOOL: For greater leverage, you can use an 8mm/0.3" hex wrench to remove the adjustment cap. < p>FITS 8MM HEX WRENCH: Built-in hook to lift safety plate on bike crank arms, which speeds up crank removal and can also be installed with an 8mm hex wrench to remove crank cover. HIGH PERFORMANCE: 8mm hex port on both sides for greater leverage removing stuck or over-tightened caps. After repeated disassembly and assembly, the teeth will not scratch easily, and the screw and accessories will not be damaged. PREMIUM MATERIAL: The bottom bracket tool is made of high-quality chrome materials, sturdy and durable, rust-proof and corrosion-resistant. TOOTH SHAPE OF THE TOOL: The tooth shape of the tool is the same as the tooth shape of the standard wintersweet screw. You will get 1 piece bike crank arm adjustment cap removal tool, small and lightweight, easy to carry and store, convenient for your use.