Cut any threadless fork steerer quickly & accurately with this handy saw guide Slotted especially for thicker carbon cutting blades which do not fit in standard cutting guides You can easily remove as little as 1 mm from the carbon steerer length for perfect headset installation & adjustment Heat treated for long life The composite body will not damage the forks steerer but has steel threads & inserts to withstand heavy shop use Suitable for all unthreaded steerer tubes up to 1-1/4 inches