CHAIN WHIP PEDROS VISE WHIP IIUpdated jaws work on track cogs, cog & bb lockrings, e bike chainrings, and cassettes Updated adjustment knob features gear size indication for quick reference of the current tool setting Adjustable plier design securely locks in place ensuring positive engagement and preventing slippage Fits 9 23 tooth gear sizes and 40 46mm OD lockrings with opposing notches Compatible with all multi gear cassettes and all standard width cogs and e bike chainrings