Secure engagement, easy to use, and fast! Park’s Cassette Pliers CP-1 quickly grip cogs from 9 to 24 teeth with no manual adjustments. A great shop tool, the CP-1 is 13.7" (35cm) long and can be used with one hand to hold any 5- to 11-speed cassette solidly during lock ring removal. Forged steel construction with a spring-loaded return and comfortable dual density grips. It’s an essential tool for any bike builder.