Planer Blade Sharpener Tormek SVH-320. The Planer/Jointer Blade Sharpening Jig That Precisely Sharpens Virtually Any Length Blade For Blades of any Length Minimum Width of Blade is 1/2-Inch The Tool is Guided Precisely and Ground Flat along its Whole Length Can be Pre-Set to a Fixed Depth Grinding angle is set with superior accuracy