The Wolf Tooth Pack Ultralight Chain Whip is a specifically developed Pack Tool that is high quality but weight conscious for those that do mobile wrenching, traveling with their bike, or just want one set of tools that can be thrown in when heading to the trail. This lightweight chain whip is strong enough to be your go to chain whip, but light enough that you won't need to leave it at home when on the move. Wolf Tooth Pack Ultralight Chain Whip Specifications Compatibility: Any cassette up to and including 12-speed cassettes Weight:  170g Material:  7075-T6 aluminum Dimensions: Handle length is 11 inches (28cm) Made in the USA