Features Perfect Alignment: Achieve precise installation of new planer blades with micro-adjustable magnets for perfect alignment and accuracy. Easy Blade Reset: Reset your blades effortlessly with the easiest and most efficient method, compatible with most planer blades. Simplified Knife Adjustment: Simplify the process of setting and adjusting knives in a cutter head by stabilizing the knife blade for improved precision. Magnetic Attachment: The system consists of two gauges with magnets that securely attach to the cutter head, providing stability during adjustment. Convenient Height Adjustment: Simply place the gauge assembly over the knife and adjust it to the correct height, ensuring optimal performance. Specifications:Material: Plastic + Metal + Strong MagnetMinimum Cutting Block Diameter: 75 mm Maximum Cutter Diameter: 125 mmHeight Adjustment: 22 mm Incremental Adjustment: 0.15 mmWeight: 370g(approx.) Package Includes:2 x Planer Blade Setting Jigs1 x Wood Box Note:This product is not suitable for aluminum planers, but suitable for four-sided planing, press planing, and flat planing. Please confirm that your needs are consistent with our products before ordering. Package List 2 x Planer Blade Setting Jigs 1 x Wood Box