Home mechanics, this Senzeal crank puller is one of those essential tools you didn't know you needed until you have to remove cranks! Made from durable carbon steel that can handle plenty of use, it's specifically designed for square tapered crank sets - the most common type out there. Using it is pretty straightforward: remove the bolt from your crank arm, screw the black part of the tool in until it's tight, then turn the silver piece until the crank starts moving. It's small and lightweight enough to throw in your repair kit for trailside fixes, but sturdy enough for regular workshop use. Perfect for removing chainrings and cranks during maintenance or upgrades. If you do your own bike repairs or just want to be prepared for emergencies, this is one of those affordable tools that pays for itself the first time you need it. The silver color might vary slightly, but the function is solid. Seriously, if you work on bikes, this crank puller makes what can be a frustrating job so much easier and quicker!