When it comes to brilliant tool designs, this goes near the top of the list. Chain whips have long been one of the more clumsy and annoying tools to use. Feedback has created the ultimate solution in the form of the cassette pliers. Complete with a lock to keep a hold of any size cassette and prevent slipping. Feedback Sports tools are designed specifically for the needs of professional bike mechanics. Attention to detail and highest quality materials and construction make for the ultimate level of performance and durability. Features: Self-adjusting for quick fit Compatible with multi-gear cassettes: 1 to 12 speed File tread grip Forged steel Limited lifetime warranty Specifications: Weight: 1 lbs Dimensions: 12 x 4 x 1 in