Features Using a pair of micro-adjustable magnets, this template will help you install new planer blades in perfect alignment with precision Simplify knife adjustment and adjustment in a cutting head by stabilizing the knife blade The easiest and most effective way to reset your blades, suitable for most planer blades The system consists of two gauges each in a frame with magnets for firm attachment to a cutting head Simply place the gauge assembly on the knife, then adjust the correct knife height Specifications: Material: steel. Minimum cutting block diameter: 75 mm Maximum diameter of the cutter: 125 mm Height adjustment: 22 mm Incremental adjustment: 0.15 mm Weight: 370 g (approx.) Package includes: 2 x Planer Blade Adjustment Jig 1 x wooden box. Note: This product is not suitable for aluminum planers, but is suitable for four-sided planing, press planing and flat planing. Please confirm that your requirements comply with our products before ordering. Package List 2 x Planer Blade Setting Jigs 1 x Wood Box