The rack and pinion guide adjustment allows for quick and easy blade height change * Quick Release Blade Tension Lever: Allows for fast and repetitive tensioning of the blade, giving you less blade fatigue for longer blade life * Solid granite table provides unsurpassed rust resistance and flatness and granite will never twist or warp * With no tools needed for the precision roller bearing guides that you get quick and accurate set-ups when changing blade sizes * Built in Mobile Base Included: Mobile base is integrated into the stand for excellent maneuverability and total portability without the added expense