Birzman Threadless Saw Guide Description: Birzman Threadless Saw Guide provides a guideline for the saw blade to ensure a precise cut on tubes. This Threadless Saw Guide is compatible with tubes ranging from 1 to 1 1/4"and features adjustable spacers to accommodate both 1.2mm (steel) and 2mm (carbon) saw blades. By placing the lower tab of the saw guide within the jaws of a bench vice grip, a stable hold can be accomplished while performing the task of sawing through a steerer tube. Features: Guides the blade to ensure a precise cut on tubes ranging from 1" to 1 1/4" Features a reversible panel and spacers to accommodate 1.2mm (steel) and 2mm (carbon) saw blades Specifications: Material: Alloy steel/High polymer