The PRO Team Chainwhip is an extremely durable and ergonomic compound grip. The compound grip is very comfortable and reliable. It is made with heat treated steel, assuring a long life with proper care. This tool is used to remove any cassette from six speed to 12-speed. It is easy to install and remove track cogs and lockrings. This tool has a longer design for increased leverage and an alloy sleeve for added stiffness. The end of the chain features a magnet that secures it to the handle when not in use. The PRO Team Chainwhip is the best way to easily remove a cassette from your bike.